{smcl}
{com}{sf}{ul off}{txt}{.-}
      name:  {res}<unnamed>
       {txt}log:  {res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Analysis/logSTATA/004_analysis_environment.smcl
  {txt}log type:  {res}smcl
 {txt}opened on:  {res} 6 Nov 2021, 19:49:47
{txt}
{com}. 
. 
. *******************************************************************************
. /*                                        URPELAINEN & ZHANG 2021                                                */
. *******************************************************************************
. 
. /* 
> 
> File Name:      004_analysis_environment.do
> 
> By:                             Alice Tianbo Zhang (alice.tianbo.zhang@gmail.com)
> 
> Last Edited:    10/11/2021
> 
> Purpose:                
> 
> Data Used:      votes_wind_panel.dta
>                                 ACS_panel_balanceTest_recodeVar.dta
> 
> Program Used:   - reghdfe -
>                                 - coefplot -
>                                 - grc1legv -
> 
> */
. 
. 
. *******************************************************************************
. /*                                                      TABLE 6                                                              */
. *******************************************************************************
. 
. ** Load wind votes panel
. cd "$rootDir/$dataDir/Final"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Data/Final
{txt}
{com}. use votes_wind_panel.dta, clear
{txt}
{com}. 
. ** Create instrument and fixed effects
. gen t = year - 2003
{txt}
{com}. gen inter = t * mean_wp
{txt}
{com}. 
. egen stateyear_fixed = group(state year)
{txt}
{com}. egen district_fixed = group(state district)
{txt}
{com}. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)
{txt}
{com}. gen cum_lncount_turbine = log(cum_count_turbine +1 )
{txt}
{com}. 
. 
. *------------ Main results: By pro- or anti- environmental voting ------------*
. local outcome pro_env anti_env // outcome variable 
{txt}
{com}. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbine cum_lncount_turbine // endogenous variable
{txt}
{com}. local instrument inter // instrument
{txt}
{com}. local admin1_trend stateyear_fixed // geography * time trend
{txt}
{com}. local admin2 district_fixed // panel unit (cluster variable)
{txt}
{com}. 
. /* List of variables:
>                 
>   1. outcome            - dependent variable
>   2. endogenous         - independent variable (endogeous) to be instrumented
>   3. instrument         - instrument
>   4. admin1_trend       - admin1-specific time trend (i.e. state by year fixed effect) 
>   5. admin2             - panel unit and cluster variable (i.e congressional district fixed effect)
> 
> */
. 
. foreach y in `outcome' {c -(}
{txt}  2{com}.         // Create outcome variable label for storing estimates
.         tokenize "`y'", parse("_")
{txt}  3{com}.         local y_name "`1'"
{txt}  4{com}.         di "`y_name'"
{txt}  5{com}.         
.         foreach x in `endogenous' {c -(}
{txt}  6{com}.                         // Create endogenous variable label for storing estimates
.                         tokenize "`x'", parse("_")
{txt}  7{com}.                         local x_name "`3'"
{txt}  8{com}.                         di "`x_name'"
{txt}  9{com}.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_trend' `admin2') ffirst stages(first ols reduced) vce(cluster `admin2') old
{txt} 10{com}.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
{txt} 11{com}.                         estimates restore reghdfe_first1
{txt} 12{com}.                         estimates store `y_name'_`x_name'_first
{txt} 13{com}.                         estimates restore reghdfe_ols
{txt} 14{com}.                         estimates store `y_name'_`x_name'_ols
{txt} 15{com}.                         estimates restore reghdfe_reduced
{txt} 16{com}.                         estimates store `y_name'_`x_name'_reduced
{txt} 17{com}.                 {c )-}
{txt} 18{com}. {c )-}
pro
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.61
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7326
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6709
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1224
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  120.3359

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.20825{col 26}{space 2} 9.130689{col 37}{space 1}    4.08{col 46}{space 3}0.000{col 54}{space 4} 19.23638{col 67}{space 3} 55.18013
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      6.09
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0142
{txt}{col 51}R-squared{col 67}= {res}    0.8651
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8341
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0085
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5152

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0119034{col 34}{space 2}  .004824{col 45}{space 1}    2.47{col 54}{space 3}0.014{col 62}{space 4} .0024083{col 75}{space 3} .0213985
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.16
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0238
{txt}{col 51}R-squared{col 67}= {res}    0.8646
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8334
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0046
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5477

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9308436{col 26}{space 2}  .409736{col 37}{space 1}    2.27{col 46}{space 3}0.024{col 54}{space 4} .1243631{col 67}{space 3} 1.737324
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.61{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.26{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.61

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.52  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  364.87
Kleibergen-Paap Wald rk F statistic{col 65}   16.61

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.16{col 61}{txt}P-val={res}0.0238
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.67{col 61}{txt}P-val={res}0.0172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.02{col 61}{txt}P-val={res}0.0251

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    5.26
{txt}{col 55}Prob > F      = {res}  0.0226
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8637
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 642122.6362{txt}{col 55}Root MSE      = {res}    16.6

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0250171{col 34}{space 2} .0109094{col 45}{space 1}    2.29{col 54}{space 3}0.023{col 62}{space 4} .0035442{col 75}{space 3}   .04649
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.517
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 364.870
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.606
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9784
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9734
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1301
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   66.5993

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  21.3248{col 26}{space 2} 5.293815{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 10.90502{col 67}{space 3} 31.74458
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      6.60
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0107
{txt}{col 51}R-squared{col 67}= {res}    0.8653
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8343
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0098
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5044

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0229887{col 31}{space 2} .0089498{col 42}{space 1}    2.57{col 51}{space 3}0.011{col 59}{space 4} .0053729{col 72}{space 3} .0406046
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.16
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0238
{txt}{col 51}R-squared{col 67}= {res}    0.8646
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8334
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0046
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5477

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9308436{col 26}{space 2}  .409736{col 37}{space 1}    2.27{col 46}{space 3}0.024{col 54}{space 4} .1243631{col 67}{space 3} 1.737324
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.23{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.84{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.23

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.20  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  391.27
Kleibergen-Paap Wald rk F statistic{col 65}   16.23

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.16{col 61}{txt}P-val={res}0.0238
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.67{col 61}{txt}P-val={res}0.0172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.02{col 61}{txt}P-val={res}0.0251

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    5.39
{txt}{col 55}Prob > F      = {res}  0.0209
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8642
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 639752.0859{txt}{col 55}Root MSE      = {res}   16.57

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0436508{col 31}{space 2} .0187984{col 42}{space 1}    2.32{col 51}{space 3}0.021{col 59}{space 4}   .00665{col 72}{space 3} .0806515
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.202
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 391.274
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.227
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.15
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8576
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8248
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0518
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7437

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1439575{col 26}{space 2} .0250042{col 37}{space 1}    5.76{col 46}{space 3}0.000{col 54}{space 4} .0947419{col 67}{space 3} .1931731
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.01
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.9362
{txt}{col 51}R-squared{col 67}= {res}    0.8640
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8326
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0000
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5858

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}               pro_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} .0460985{col 36}{space 2} .5756192{col 47}{space 1}    0.08{col 56}{space 3}0.936{col 64}{space 4}-1.086889{col 77}{space 3} 1.179086
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.16
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0238
{txt}{col 51}R-squared{col 67}= {res}    0.8646
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8334
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0046
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5477

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9308436{col 26}{space 2}  .409736{col 37}{space 1}    2.27{col 46}{space 3}0.024{col 54}{space 4} .1243631{col 67}{space 3} 1.737324
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.15{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.44{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.15

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.33  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  142.98
Kleibergen-Paap Wald rk F statistic{col 65}   33.15

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.16{col 61}{txt}P-val={res}0.0238
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.67{col 61}{txt}P-val={res}0.0172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.02{col 61}{txt}P-val={res}0.0251

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    4.70
{txt}{col 55}Prob > F      = {res}  0.0310
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8521
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 696979.8045{txt}{col 55}Root MSE      = {res}    17.3

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}               pro_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 6.466102{col 36}{space 2} 2.982404{col 47}{space 1}    2.17{col 56}{space 3}0.031{col 64}{space 4} .5958564{col 77}{space 3} 12.33635
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.328
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 142.979
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.147
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8974
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8738
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0533
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6452

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1267885{col 26}{space 2} .0222374{col 37}{space 1}    5.70{col 46}{space 3}0.000{col 54}{space 4} .0830188{col 67}{space 3} .1705582
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.01
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.9311
{txt}{col 51}R-squared{col 67}= {res}    0.8640
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8326
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0000
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5858

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}            pro_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} .0564673{col 33}{space 2} .6527039{col 44}{space 1}    0.09{col 53}{space 3}0.931{col 61}{space 4}-1.228245{col 74}{space 3}  1.34118
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.16
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0238
{txt}{col 51}R-squared{col 67}= {res}    0.8646
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8334
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0046
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.5477

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9308436{col 26}{space 2}  .409736{col 37}{space 1}    2.27{col 46}{space 3}0.024{col 54}{space 4} .1243631{col 67}{space 3} 1.737324
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.51{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.74{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.51

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}31.90  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  147.39
Kleibergen-Paap Wald rk F statistic{col 65}   32.51

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.16{col 61}{txt}P-val={res}0.0238
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.67{col 61}{txt}P-val={res}0.0172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.02{col 61}{txt}P-val={res}0.0251

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    4.66
{txt}{col 55}Prob > F      = {res}  0.0318
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8524
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 695326.9551{txt}{col 55}Root MSE      = {res}   17.27

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}            pro_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 7.341705{col 33}{space 2} 3.402356{col 44}{space 1}    2.16{col 53}{space 3}0.032{col 61}{space 4} .6448698{col 74}{space 3} 14.03854
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  31.898
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 147.393
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.508
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
anti
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.61
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7326
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6709
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1224
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  120.3359

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.20825{col 26}{space 2} 9.130689{col 37}{space 1}    4.08{col 46}{space 3}0.000{col 54}{space 4} 19.23638{col 67}{space 3} 55.18013
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.55
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0338
{txt}{col 51}R-squared{col 67}= {res}    0.8709
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8411
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0064
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.0649

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}-.0100561{col 34}{space 2} .0047158{col 45}{space 1}   -2.13{col 54}{space 3}0.034{col 62}{space 4}-.0193382{col 75}{space 3} -.000774
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      8.07
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0048
{txt}{col 51}R-squared{col 67}= {res}    0.8710
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8413
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0074
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.0574

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}-1.144775{col 26}{space 2} .4030864{col 37}{space 1}   -2.84{col 46}{space 3}0.005{col 54}{space 4}-1.938167{col 67}{space 3}-.3513826
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.61{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.26{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.61

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.52  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  364.87
Kleibergen-Paap Wald rk F statistic{col 65}   16.61

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   8.07{col 61}{txt}P-val={res}0.0048
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.87{col 61}{txt}P-val={res}0.0029
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.76{col 61}{txt}P-val={res}0.0053

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    7.17
{txt}{col 55}Prob > F      = {res}  0.0078
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8674
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 617819.4865{txt}{col 55}Root MSE      = {res}   16.28

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}-.0307667{col 34}{space 2} .0114872{col 45}{space 1}   -2.68{col 54}{space 3}0.008{col 62}{space 4}-.0533768{col 75}{space 3}-.0081566
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.517
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 364.870
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.606
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9784
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9734
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1301
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   66.5993

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  21.3248{col 26}{space 2} 5.293815{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 10.90502{col 67}{space 3} 31.74458
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.59
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0331
{txt}{col 51}R-squared{col 67}= {res}    0.8710
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8413
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0071
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.0591

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0190738{col 31}{space 2} .0089064{col 42}{space 1}   -2.14{col 51}{space 3}0.033{col 59}{space 4}-.0366042{col 72}{space 3}-.0015434
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      8.07
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0048
{txt}{col 51}R-squared{col 67}= {res}    0.8710
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8413
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0074
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.0574

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}-1.144775{col 26}{space 2} .4030864{col 37}{space 1}   -2.84{col 46}{space 3}0.005{col 54}{space 4}-1.938167{col 67}{space 3}-.3513826
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.23{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.84{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.23

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.20  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  391.27
Kleibergen-Paap Wald rk F statistic{col 65}   16.23

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   8.07{col 61}{txt}P-val={res}0.0048
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.87{col 61}{txt}P-val={res}0.0029
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.76{col 61}{txt}P-val={res}0.0053

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    7.28
{txt}{col 55}Prob > F      = {res}  0.0074
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8679
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 615124.7564{txt}{col 55}Root MSE      = {res}   16.25

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0536828{col 31}{space 2} .0199025{col 42}{space 1}   -2.70{col 51}{space 3}0.007{col 59}{space 4}-.0928567{col 72}{space 3}-.0145089
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.202
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 391.274
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.227
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.15
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8576
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8248
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0518
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7437

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1439575{col 26}{space 2} .0250042{col 37}{space 1}    5.76{col 46}{space 3}0.000{col 54}{space 4} .0947419{col 67}{space 3} .1931731
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.00
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.9603
{txt}{col 51}R-squared{col 67}= {res}    0.8701
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8401
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0000
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.1167

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}              anti_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-.0268064{col 36}{space 2} .5385468{col 47}{space 1}   -0.05{col 56}{space 3}0.960{col 64}{space 4}-1.086825{col 77}{space 3} 1.033212
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      8.07
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0048
{txt}{col 51}R-squared{col 67}= {res}    0.8710
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8413
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0074
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.0574

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}-1.144775{col 26}{space 2} .4030864{col 37}{space 1}   -2.84{col 46}{space 3}0.005{col 54}{space 4}-1.938167{col 67}{space 3}-.3513826
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.15{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.44{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.15

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.33  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  142.98
Kleibergen-Paap Wald rk F statistic{col 65}   33.15

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   8.07{col 61}{txt}P-val={res}0.0048
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.87{col 61}{txt}P-val={res}0.0029
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.76{col 61}{txt}P-val={res}0.0053

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    6.82
{txt}{col 55}Prob > F      = {res}  0.0095
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8517
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 690593.7598{txt}{col 55}Root MSE      = {res}   17.22

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}              anti_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-7.952173{col 36}{space 2} 3.044985{col 47}{space 1}   -2.61{col 56}{space 3}0.009{col 64}{space 4} -13.9456{col 77}{space 3}-1.958749
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.328
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 142.979
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.147
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8974
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8738
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0533
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6452

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1267885{col 26}{space 2} .0222374{col 37}{space 1}    5.70{col 46}{space 3}0.000{col 54}{space 4} .0830188{col 67}{space 3} .1705582
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.02
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.8912
{txt}{col 51}R-squared{col 67}= {res}    0.8701
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8401
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0000
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.1167

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}           anti_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-.0843623{col 33}{space 2} .6160371{col 44}{space 1}   -0.14{col 53}{space 3}0.891{col 61}{space 4}-1.296904{col 74}{space 3} 1.128179
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,868
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      8.07
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0048
{txt}{col 51}R-squared{col 67}= {res}    0.8710
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8413
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0074
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   16.0574

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}-1.144775{col 26}{space 2} .4030864{col 37}{space 1}   -2.84{col 46}{space 3}0.005{col 54}{space 4}-1.938167{col 67}{space 3}-.3513826
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.51{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.74{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.51

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}31.90  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  147.39
Kleibergen-Paap Wald rk F statistic{col 65}   32.51

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   8.07{col 61}{txt}P-val={res}0.0048
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.87{col 61}{txt}P-val={res}0.0029
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.76{col 61}{txt}P-val={res}0.0053

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2868
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    6.75
{txt}{col 55}Prob > F      = {res}  0.0099
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8525
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 687171.8179{txt}{col 55}Root MSE      = {res}   17.17

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}           anti_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-9.029012{col 33}{space 2} 3.475528{col 44}{space 1}   -2.60{col 53}{space 3}0.010{col 61}{space 4}-15.86987{col 74}{space 3}-2.188153
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  31.898
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 147.393
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.508
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)

{com}. 
. *--------------------- Export LaTeX regression tables -----------------------*
. cd "$rootDir/$resultDir/Tables"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Results/Tables
{txt}
{com}. 
. ** First stage regressions (same across all outcome variables)
. esttab pro_capacity_first pro_count_first pro_lncapacity_first pro_lncount_first using Table2.tex, booktabs replace ///
>                 b(%9.3f) stats(N N_clust r2 F, labels("Observations" "Districts" "\(R^{c -(}2{c )-}\)" "\(F\)-statistic") fmt(0 0 2 2)) ///
>                 eqlabels(none) noconstant se nonotes unstack legend star(* 0.10 ** 0.05 *** 0.01) ///
>                 varlabels(inter "Mean wind potential * time") varwidth(27) modelwidth(13) ///
>                 mtitles("Capacity" "Count" "log(Capacity)" "log(Count)") ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"Table2.tex"'})

{com}. 
.                 
. ** Compare OLS and IV estimates
. * OLS
. esttab pro_capacity_ols pro_count_ols anti_capacity_ols anti_count_ols using Table6.tex, booktabs replace ///
>                 refcat(cum_capacity_turbine "\emph{c -(}Panel A: OLS{c )-}", nolabel) ///
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum_count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", pattern(1 0 1 0) prefix(\multicolumn{c -(}@span{c )-}{c -(}c{c )-}{c -(}) suffix({c )-}) span erepeat(\cmidrule(lr){c -(}@span{c )-})) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"Table6.tex"'})

{com}.                 
. * IV
. esttab pro_capacity_iv pro_count_iv anti_capacity_iv anti_count_iv using Table6.tex, booktabs append ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(none) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts" "\(R^{c -(}2{c )-}\)") fmt(0 0 2)) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum_count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 refcat(cum_capacity_turbine "\emph{c -(}Panel B: IV{c )-}", nolabel) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"Table6.tex"'})

{com}.                 
. 
. *******************************************************************************
. /*                                                      FIGURE 4                                                                 */
. *******************************************************************************
. local outcome pro_env_drilling pro_env_lands pro_env_other pro_env_toxics pro_env_water pro_env_wildlife pro_env_dirty_energy pro_env_air pro_env_climate_change pro_env_clean_energy pro_env_oceans // issue vote outcome variable 
{txt}
{com}. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbine cum_lncount_turbine // endogenous variable
{txt}
{com}. local instrument inter // instrument
{txt}
{com}. local admin1_trend stateyear_fixed // geography * time trend
{txt}
{com}. local admin2 district_fixed // panel unit (cluster variable)
{txt}
{com}. 
. 
. foreach y in `outcome' {c -(}
{txt}  2{com}.         // Create outcome variable label for storing estimates
.         tokenize "`y'", parse("_")
{txt}  3{com}.         local y_name "`5'"
{txt}  4{com}.         di "`y_name'"
{txt}  5{com}.         
.         foreach x in `endogenous' {c -(}
{txt}  6{com}.                         // Create endogenous variable label for storing estimates
.                         tokenize "`x'", parse("_")
{txt}  7{com}.                         local x_name "`3'"
{txt}  8{com}.                         di "`x_name'"
{txt}  9{com}.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_trend' `admin2') ffirst stages(first ols reduced) vce(cluster `admin2') old
{txt} 10{com}.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
{txt} 11{com}.                         estimates restore reghdfe_first1
{txt} 12{com}.                         estimates store `y_name'_`x_name'_first
{txt} 13{com}.                         estimates restore reghdfe_ols
{txt} 14{com}.                         estimates store `y_name'_`x_name'_ols
{txt} 15{com}.                         estimates restore reghdfe_reduced
{txt} 16{com}.                         estimates store `y_name'_`x_name'_reduced
{txt} 17{com}.                         di "`y_name'_`x_name'" 
{txt} 18{com}.                 {c )-}
{txt} 19{com}. {c )-}
drilling
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.47
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7111
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6395
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1246
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  125.5664

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.52748{col 26}{space 2} 9.246809{col 37}{space 1}    4.06{col 46}{space 3}0.000{col 54}{space 4} 19.32704{col 67}{space 3} 55.72791
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.95
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0872
{txt}{col 51}R-squared{col 67}= {res}    0.8123
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7658
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0041
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.3750

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}    pro_env_drilling{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0106546{col 34}{space 2} .0062085{col 45}{space 1}    1.72{col 54}{space 3}0.087{col 62}{space 4}-.0015656{col 75}{space 3} .0228748
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.29
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0222
{txt}{col 51}R-squared{col 67}= {res}    0.8125
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7660
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0051
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.3639

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_dr~g{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.262691{col 26}{space 2} .5490417{col 37}{space 1}    2.30{col 46}{space 3}0.022{col 54}{space 4} .1820161{col 67}{space 3} 2.343366
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.47{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.11{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.47

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.43  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  334.65
Kleibergen-Paap Wald rk F statistic{col 65}   16.47

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.29{col 61}{txt}P-val={res}0.0222
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.82{col 61}{txt}P-val={res}0.0159
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.98{col 61}{txt}P-val={res}0.0257

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2578
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2578
{txt}{col 55}F(  1,   286) = {res}    4.43
{txt}{col 55}Prob > F      = {res}  0.0362
{txt}Total (centered) SS     = {res} 1038044.366{txt}{col 55}Centered R2   = {res}  0.8088
{txt}Total (uncentered) SS   = {res} 1038044.366{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1053483.673{txt}{col 55}Root MSE      = {res}   22.59

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}    pro_env_drilling{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0336471{col 34}{space 2} .0159904{col 45}{space 1}    2.10{col 54}{space 3}0.036{col 62}{space 4} .0021734{col 75}{space 3} .0651208
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.433
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 334.650
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.471
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
drilling_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.12
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9768
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9711
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1321
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   69.4180

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.46092{col 26}{space 2} 5.344996{col 37}{space 1}    4.02{col 46}{space 3}0.000{col 54}{space 4}  10.9404{col 67}{space 3} 31.98144
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.12
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0785
{txt}{col 51}R-squared{col 67}= {res}    0.8124
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7659
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0047
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.3681

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1} pro_env_drilling{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0205858{col 31}{space 2} .0116585{col 42}{space 1}    1.77{col 51}{space 3}0.079{col 59}{space 4}-.0023614{col 72}{space 3} .0435331
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.29
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0222
{txt}{col 51}R-squared{col 67}= {res}    0.8125
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7660
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0051
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.3639

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_dr~g{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.262691{col 26}{space 2} .5490417{col 37}{space 1}    2.30{col 46}{space 3}0.022{col 54}{space 4} .1820161{col 67}{space 3} 2.343366
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.12{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.73{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.12

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.13  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  358.09
Kleibergen-Paap Wald rk F statistic{col 65}   16.12

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.29{col 61}{txt}P-val={res}0.0222
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.82{col 61}{txt}P-val={res}0.0159
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.98{col 61}{txt}P-val={res}0.0257

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2578
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2578
{txt}{col 55}F(  1,   286) = {res}    4.46
{txt}{col 55}Prob > F      = {res}  0.0356
{txt}Total (centered) SS     = {res} 1038044.366{txt}{col 55}Centered R2   = {res}  0.8094
{txt}Total (uncentered) SS   = {res} 1038044.366{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1049961.597{txt}{col 55}Root MSE      = {res}   22.55

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1} pro_env_drilling{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0588368{col 31}{space 2} .0278639{col 42}{space 1}    2.11{col 51}{space 3}0.036{col 59}{space 4} .0039923{col 72}{space 3} .1136812
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.132
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 358.089
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.121
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
drilling_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.95
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8513
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8144
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0542
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7558

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1433126{col 26}{space 2} .0245973{col 37}{space 1}    5.83{col 46}{space 3}0.000{col 54}{space 4} .0948978{col 67}{space 3} .1917273
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.41
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.5206
{txt}{col 51}R-squared{col 67}= {res}    0.8116
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7649
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0004
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.4163

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}      pro_env_drilling{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-.5686895{col 36}{space 2} .8841362{col 47}{space 1}   -0.64{col 56}{space 3}0.521{col 64}{space 4}-2.308929{col 77}{space 3}  1.17155
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.29
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0222
{txt}{col 51}R-squared{col 67}= {res}    0.8125
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7660
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0051
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.3639

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_dr~g{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.262691{col 26}{space 2} .5490417{col 37}{space 1}    2.30{col 46}{space 3}0.022{col 54}{space 4} .1820161{col 67}{space 3} 2.343366
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.95{col 28}  0.0000{col 37}{txt}|{col 42}{res}   37.32{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.95

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}33.33  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  134.72
Kleibergen-Paap Wald rk F statistic{col 65}   33.95

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.29{col 61}{txt}P-val={res}0.0222
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.82{col 61}{txt}P-val={res}0.0159
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.98{col 61}{txt}P-val={res}0.0257

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2578
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2578
{txt}{col 55}F(  1,   286) = {res}    4.24
{txt}{col 55}Prob > F      = {res}  0.0403
{txt}Total (centered) SS     = {res} 1038044.366{txt}{col 55}Centered R2   = {res}  0.7917
{txt}Total (uncentered) SS   = {res} 1038044.366{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1147346.276{txt}{col 55}Root MSE      = {res}   23.57

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}      pro_env_drilling{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}  8.81075{col 36}{space 2} 4.277082{col 47}{space 1}    2.06{col 56}{space 3}0.040{col 64}{space 4} .3921976{col 77}{space 3}  17.2293
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  33.328
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 134.724
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.946
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
drilling_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.04
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8937
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8673
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0559
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6559

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1264487{col 26}{space 2} .0219981{col 37}{space 1}    5.75{col 46}{space 3}0.000{col 54}{space 4}   .08315{col 67}{space 3} .1697473
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.20
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6580
{txt}{col 51}R-squared{col 67}= {res}    0.8116
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7649
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0002
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.4186

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}   pro_env_drilling{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-.4441402{col 33}{space 2} 1.002331{col 44}{space 1}   -0.44{col 53}{space 3}0.658{col 61}{space 4}-2.417022{col 74}{space 3} 1.528741
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,578
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      5.29
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0222
{txt}{col 51}R-squared{col 67}= {res}    0.8125
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7660
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0051
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.3639

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_dr~g{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.262691{col 26}{space 2} .5490417{col 37}{space 1}    2.30{col 46}{space 3}0.022{col 54}{space 4} .1820161{col 67}{space 3} 2.343366
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   33.04{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.33{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.04

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.66  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  139.24
Kleibergen-Paap Wald rk F statistic{col 65}   33.04

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   5.29{col 61}{txt}P-val={res}0.0222
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   5.82{col 61}{txt}P-val={res}0.0159
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.98{col 61}{txt}P-val={res}0.0257

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2578
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2578
{txt}{col 55}F(  1,   286) = {res}    4.25
{txt}{col 55}Prob > F      = {res}  0.0402
{txt}Total (centered) SS     = {res} 1038044.366{txt}{col 55}Centered R2   = {res}  0.7930
{txt}Total (uncentered) SS   = {res} 1038044.366{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1140224.968{txt}{col 55}Root MSE      = {res}    23.5

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}   pro_env_drilling{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}   9.9858{col 33}{space 2} 4.843836{col 44}{space 1}    2.06{col 53}{space 3}0.040{col 61}{space 4} .4517111{col 74}{space 3} 19.51989
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.663
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 139.243
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.041
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
drilling_lncount
lands
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.62
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7327
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6709
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1226
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  120.4841

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.25031{col 26}{space 2} 9.135875{col 37}{space 1}    4.08{col 46}{space 3}0.000{col 54}{space 4} 19.26823{col 67}{space 3} 55.23239
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     10.10
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0016
{txt}{col 51}R-squared{col 67}= {res}    0.8033
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7578
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0116
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.4712

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}       pro_env_lands{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0172404{col 34}{space 2} .0054242{col 45}{space 1}    3.18{col 54}{space 3}0.002{col 62}{space 4}  .006564{col 75}{space 3} .0279168
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     10.67
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0012
{txt}{col 51}R-squared{col 67}= {res}    0.8027
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7571
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0087
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.5016

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_la~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.584592{col 26}{space 2} .4850978{col 37}{space 1}    3.27{col 46}{space 3}0.001{col 54}{space 4} .6297776{col 67}{space 3} 2.539407
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.62{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.28{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.62

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.53  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  364.69
Kleibergen-Paap Wald rk F statistic{col 65}   16.62

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}  10.67{col 61}{txt}P-val={res}0.0012
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  11.73{col 61}{txt}P-val={res}0.0006
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   9.15{col 61}{txt}P-val={res}0.0025

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    8.19
{txt}{col 55}Prob > F      = {res}  0.0045
{txt}Total (centered) SS     = {res} 984920.3361{txt}{col 55}Centered R2   = {res}  0.7983
{txt}Total (uncentered) SS   = {res} 984920.3361{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 998095.0086{txt}{col 55}Root MSE      = {res}   20.73

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}       pro_env_lands{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}  .042539{col 34}{space 2} .0148681{col 45}{space 1}    2.86{col 54}{space 3}0.005{col 62}{space 4} .0132743{col 75}{space 3} .0718037
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.530
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 364.691
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.625
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lands_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.25
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9784
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9734
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1303
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   66.6788

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.34932{col 26}{space 2} 5.296882{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 10.92351{col 67}{space 3} 31.77514
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     11.72
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0007
{txt}{col 51}R-squared{col 67}= {res}    0.8037
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7583
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0136
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.4508

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}    pro_env_lands{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0335367{col 31}{space 2} .0097979{col 42}{space 1}    3.42{col 51}{space 3}0.001{col 59}{space 4} .0142515{col 72}{space 3} .0528219
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     10.67
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0012
{txt}{col 51}R-squared{col 67}= {res}    0.8027
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7571
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0087
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.5016

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_la~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.584592{col 26}{space 2} .4850978{col 37}{space 1}    3.27{col 46}{space 3}0.001{col 54}{space 4} .6297776{col 67}{space 3} 2.539407
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.25{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.86{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.25

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.21  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  391.13
Kleibergen-Paap Wald rk F statistic{col 65}   16.25

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}  10.67{col 61}{txt}P-val={res}0.0012
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  11.73{col 61}{txt}P-val={res}0.0006
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   9.15{col 61}{txt}P-val={res}0.0025

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    8.38
{txt}{col 55}Prob > F      = {res}  0.0041
{txt}Total (centered) SS     = {res} 984920.3361{txt}{col 55}Centered R2   = {res}  0.7997
{txt}Total (uncentered) SS   = {res} 984920.3361{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 991221.5921{txt}{col 55}Root MSE      = {res}   20.66

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}    pro_env_lands{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0742221{col 31}{space 2} .0256323{col 42}{space 1}    2.90{col 51}{space 3}0.004{col 59}{space 4} .0237703{col 72}{space 3} .1246739
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.214
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 391.127
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.245
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lands_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.18
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8577
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8248
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0520
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7444

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  .144233{col 26}{space 2} .0250395{col 37}{space 1}    5.76{col 46}{space 3}0.000{col 54}{space 4} .0949479{col 67}{space 3}  .193518
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.01
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0838
{txt}{col 51}R-squared{col 67}= {res}    0.8014
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7554
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0017
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.5730

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}         pro_env_lands{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 1.122731{col 36}{space 2} .6469806{col 47}{space 1}    1.74{col 56}{space 3}0.084{col 64}{space 4} -.150717{col 77}{space 3} 2.396178
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     10.67
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0012
{txt}{col 51}R-squared{col 67}= {res}    0.8027
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7571
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0087
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.5016

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_la~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.584592{col 26}{space 2} .4850978{col 37}{space 1}    3.27{col 46}{space 3}0.001{col 54}{space 4} .6297776{col 67}{space 3} 2.539407
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.18{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.49{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.18

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.37  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  143.23
Kleibergen-Paap Wald rk F statistic{col 65}   33.18

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}  10.67{col 61}{txt}P-val={res}0.0012
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  11.73{col 61}{txt}P-val={res}0.0006
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   9.15{col 61}{txt}P-val={res}0.0025

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    8.31
{txt}{col 55}Prob > F      = {res}  0.0043
{txt}Total (centered) SS     = {res} 984920.3361{txt}{col 55}Centered R2   = {res}  0.7747
{txt}Total (uncentered) SS   = {res} 984920.3361{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1115321.949{txt}{col 55}Root MSE      = {res}   21.91

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}         pro_env_lands{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 10.98634{col 36}{space 2} 3.812096{col 47}{space 1}    2.88{col 56}{space 3}0.004{col 64}{space 4} 3.483018{col 77}{space 3} 18.48966
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.367
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 143.229
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.180
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lands_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.56
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8975
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8738
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0536
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6457

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1270913{col 26}{space 2} .0222738{col 37}{space 1}    5.71{col 46}{space 3}0.000{col 54}{space 4}   .08325{col 67}{space 3} .1709327
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.61
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1076
{txt}{col 51}R-squared{col 67}= {res}    0.8013
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7554
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0015
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.5753

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}      pro_env_lands{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 1.208428{col 33}{space 2} .7485895{col 44}{space 1}    1.61{col 53}{space 3}0.108{col 61}{space 4}-.2650157{col 74}{space 3} 2.681872
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     10.67
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0012
{txt}{col 51}R-squared{col 67}= {res}    0.8027
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7571
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0087
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.5016

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_la~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.584592{col 26}{space 2} .4850978{col 37}{space 1}    3.27{col 46}{space 3}0.001{col 54}{space 4} .6297776{col 67}{space 3} 2.539407
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.56{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.80{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.56

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}31.96  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  147.81
Kleibergen-Paap Wald rk F statistic{col 65}   32.56

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}  10.67{col 61}{txt}P-val={res}0.0012
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  11.73{col 61}{txt}P-val={res}0.0006
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   9.15{col 61}{txt}P-val={res}0.0025

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    8.17
{txt}{col 55}Prob > F      = {res}  0.0046
{txt}Total (centered) SS     = {res} 984920.3361{txt}{col 55}Centered R2   = {res}  0.7751
{txt}Total (uncentered) SS   = {res} 984920.3361{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1113166.646{txt}{col 55}Root MSE      = {res}   21.89

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}      pro_env_lands{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 12.46814{col 33}{space 2} 4.361234{col 44}{space 1}    2.86{col 53}{space 3}0.005{col 61}{space 4} 3.883949{col 74}{space 3} 21.05232
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  31.956
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 147.812
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.557
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lands_lncount
other
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.45
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7097
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6376
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1259
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  123.1718

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 38.10782{col 26}{space 2} 9.396408{col 37}{space 1}    4.06{col 46}{space 3}0.000{col 54}{space 4} 19.61294{col 67}{space 3} 56.60271
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.40
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0069
{txt}{col 51}R-squared{col 67}= {res}    0.7812
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7269
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0037
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5760

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}       pro_env_other{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0104946{col 34}{space 2} .0038581{col 45}{space 1}    2.72{col 54}{space 3}0.007{col 62}{space 4} .0029007{col 75}{space 3} .0180884
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_ot~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.45{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.09{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.45

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.40  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  338.41
Kleibergen-Paap Wald rk F statistic{col 65}   16.45

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.04
{txt}{col 55}Prob > F      = {res}  0.0825
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7804
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res}  1055440.99{txt}{col 55}Root MSE      = {res}   22.62

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}       pro_env_other{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0210394{col 34}{space 2} .0120755{col 45}{space 1}    1.74{col 54}{space 3}0.083{col 62}{space 4}-.0027287{col 75}{space 3} .0448075
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.405
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 338.406
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.448
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
other_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.05
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9777
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9721
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1335
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   68.0552

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.77811{col 26}{space 2} 5.435744{col 37}{space 1}    4.01{col 46}{space 3}0.000{col 54}{space 4} 11.07898{col 67}{space 3} 32.47725
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      6.41
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0119
{txt}{col 51}R-squared{col 67}= {res}    0.7813
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7270
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0039
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5743

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}    pro_env_other{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0192891{col 31}{space 2} .0076212{col 42}{space 1}    2.53{col 51}{space 3}0.012{col 59}{space 4} .0042883{col 72}{space 3}   .03429
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_ot~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.05{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.65{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.05

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.07  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  362.04
Kleibergen-Paap Wald rk F statistic{col 65}   16.05

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.03
{txt}{col 55}Prob > F      = {res}  0.0829
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7806
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1054687.411{txt}{col 55}Root MSE      = {res}   22.61

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}    pro_env_other{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0368152{col 31}{space 2} .0211545{col 42}{space 1}    1.74{col 51}{space 3}0.083{col 59}{space 4}-.0048231{col 72}{space 3} .0784536
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.073
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 362.036
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.052
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
other_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.53
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8527
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8161
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0544
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7499

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1466961{col 26}{space 2} .0253355{col 37}{space 1}    5.79{col 46}{space 3}0.000{col 54}{space 4} .0968285{col 67}{space 3} .1965637
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4767
{txt}{col 51}R-squared{col 67}= {res}    0.7805
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7260
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.6146

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}         pro_env_other{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} .5258639{col 36}{space 2} .7379908{col 47}{space 1}    0.71{col 56}{space 3}0.477{col 64}{space 4}-.9267184{col 77}{space 3} 1.978446
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_ot~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.53{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.86{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.53

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}33.10  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  135.29
Kleibergen-Paap Wald rk F statistic{col 65}   33.53

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.18
{txt}{col 55}Prob > F      = {res}  0.0756
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7743
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1085000.673{txt}{col 55}Root MSE      = {res}   22.93

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}         pro_env_other{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 5.465488{col 36}{space 2} 3.064737{col 47}{space 1}    1.78{col 56}{space 3}0.076{col 64}{space 4}-.5668132{col 77}{space 3} 11.49779
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  33.104
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 135.288
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.526
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
other_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.70
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8950
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8690
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0552
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6501

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  .128066{col 26}{space 2} .0223942{col 37}{space 1}    5.72{col 46}{space 3}0.000{col 54}{space 4} .0839877{col 67}{space 3} .1721443
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.87
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.3510
{txt}{col 51}R-squared{col 67}= {res}    0.7805
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7261
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.6125

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}      pro_env_other{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} .7629121{col 33}{space 2}  .816674{col 44}{space 1}    0.93{col 53}{space 3}0.351{col 61}{space 4}-.8445418{col 74}{space 3} 2.370366
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_ot~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.70{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.96{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.70

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.44  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  137.20
Kleibergen-Paap Wald rk F statistic{col 65}   32.70

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.19
{txt}{col 55}Prob > F      = {res}  0.0750
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7747
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1082754.886{txt}{col 55}Root MSE      = {res}   22.91

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}      pro_env_other{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 6.260568{col 33}{space 2} 3.502916{col 44}{space 1}    1.79{col 53}{space 3}0.075{col 61}{space 4}-.6341986{col 74}{space 3} 13.15533
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.439
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 137.205
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.704
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
other_lncount
toxics
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.45
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7097
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6376
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1259
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  123.1718

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 38.10782{col 26}{space 2} 9.396408{col 37}{space 1}    4.06{col 46}{space 3}0.000{col 54}{space 4} 19.61294{col 67}{space 3} 56.60271
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.40
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0069
{txt}{col 51}R-squared{col 67}= {res}    0.7812
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7269
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0037
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5760

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}      pro_env_toxics{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0104946{col 34}{space 2} .0038581{col 45}{space 1}    2.72{col 54}{space 3}0.007{col 62}{space 4} .0029007{col 75}{space 3} .0180884
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_to~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.45{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.09{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.45

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.40  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  338.41
Kleibergen-Paap Wald rk F statistic{col 65}   16.45

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.04
{txt}{col 55}Prob > F      = {res}  0.0825
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7804
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res}  1055440.99{txt}{col 55}Root MSE      = {res}   22.62

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}      pro_env_toxics{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0210394{col 34}{space 2} .0120755{col 45}{space 1}    1.74{col 54}{space 3}0.083{col 62}{space 4}-.0027287{col 75}{space 3} .0448075
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.405
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 338.406
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.448
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
toxics_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.05
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9777
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9721
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1335
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   68.0552

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.77811{col 26}{space 2} 5.435744{col 37}{space 1}    4.01{col 46}{space 3}0.000{col 54}{space 4} 11.07898{col 67}{space 3} 32.47725
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      6.41
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0119
{txt}{col 51}R-squared{col 67}= {res}    0.7813
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7270
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0039
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5743

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}   pro_env_toxics{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0192891{col 31}{space 2} .0076212{col 42}{space 1}    2.53{col 51}{space 3}0.012{col 59}{space 4} .0042883{col 72}{space 3}   .03429
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_to~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.05{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.65{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.05

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.07  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  362.04
Kleibergen-Paap Wald rk F statistic{col 65}   16.05

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.03
{txt}{col 55}Prob > F      = {res}  0.0829
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7806
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1054687.411{txt}{col 55}Root MSE      = {res}   22.61

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}   pro_env_toxics{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0368152{col 31}{space 2} .0211545{col 42}{space 1}    1.74{col 51}{space 3}0.083{col 59}{space 4}-.0048231{col 72}{space 3} .0784536
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.073
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 362.036
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.052
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
toxics_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.53
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8527
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8161
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0544
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7499

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1466961{col 26}{space 2} .0253355{col 37}{space 1}    5.79{col 46}{space 3}0.000{col 54}{space 4} .0968285{col 67}{space 3} .1965637
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4767
{txt}{col 51}R-squared{col 67}= {res}    0.7805
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7260
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.6146

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}        pro_env_toxics{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} .5258639{col 36}{space 2} .7379908{col 47}{space 1}    0.71{col 56}{space 3}0.477{col 64}{space 4}-.9267184{col 77}{space 3} 1.978446
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_to~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.53{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.86{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.53

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}33.10  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  135.29
Kleibergen-Paap Wald rk F statistic{col 65}   33.53

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.18
{txt}{col 55}Prob > F      = {res}  0.0756
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7743
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1085000.673{txt}{col 55}Root MSE      = {res}   22.93

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}        pro_env_toxics{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 5.465488{col 36}{space 2} 3.064737{col 47}{space 1}    1.78{col 56}{space 3}0.076{col 64}{space 4}-.5668132{col 77}{space 3} 11.49779
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  33.104
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 135.288
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.526
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
toxics_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.70
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8950
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8690
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0552
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6501

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  .128066{col 26}{space 2} .0223942{col 37}{space 1}    5.72{col 46}{space 3}0.000{col 54}{space 4} .0839877{col 67}{space 3} .1721443
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.87
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.3510
{txt}{col 51}R-squared{col 67}= {res}    0.7805
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7261
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.6125

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}     pro_env_toxics{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} .7629121{col 33}{space 2}  .816674{col 44}{space 1}    0.93{col 53}{space 3}0.351{col 61}{space 4}-.8445418{col 74}{space 3} 2.370366
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,576
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0859
{txt}{col 51}R-squared{col 67}= {res}    0.7808
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7264
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0019
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.5969

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_to~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8017658{col 26}{space 2} .4652931{col 37}{space 1}    1.72{col 46}{space 3}0.086{col 54}{space 4}-.1140675{col 67}{space 3} 1.717599
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.70{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.96{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.70

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.44  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  137.20
Kleibergen-Paap Wald rk F statistic{col 65}   32.70

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.97{col 61}{txt}P-val={res}0.0859
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.26{col 61}{txt}P-val={res}0.0708
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.28{col 61}{txt}P-val={res}0.0701

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2576
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2576
{txt}{col 55}F(  1,   286) = {res}    3.19
{txt}{col 55}Prob > F      = {res}  0.0750
{txt}Total (centered) SS     = {res}  1055403.13{txt}{col 55}Centered R2   = {res}  0.7747
{txt}Total (uncentered) SS   = {res}  1055403.13{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1082754.886{txt}{col 55}Root MSE      = {res}   22.91

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}     pro_env_toxics{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 6.260568{col 33}{space 2} 3.502916{col 44}{space 1}    1.79{col 53}{space 3}0.075{col 61}{space 4}-.6341986{col 74}{space 3} 13.15533
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.439
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 137.205
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.704
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
toxics_lncount
water
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.80
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7603
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7009
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1205
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  120.3914

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 38.02664{col 26}{space 2} 9.277143{col 37}{space 1}    4.10{col 46}{space 3}0.000{col 54}{space 4}  19.7665{col 67}{space 3} 56.28678
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.96
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1623
{txt}{col 51}R-squared{col 67}= {res}    0.7210
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6519
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0013
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1833

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}       pro_env_water{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}  .006954{col 34}{space 2} .0049637{col 45}{space 1}    1.40{col 54}{space 3}0.162{col 62}{space 4} -.002816{col 75}{space 3}  .016724
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1362
{txt}{col 51}R-squared{col 67}= {res}    0.7209
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6517
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0008
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1889

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wa~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .6124615{col 26}{space 2} .4098681{col 37}{space 1}    1.49{col 46}{space 3}0.136{col 54}{space 4}-.1942791{col 67}{space 3} 1.419202
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.80{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.47{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.80

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.67  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  322.23
Kleibergen-Paap Wald rk F statistic{col 65}   16.80

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.23{col 61}{txt}P-val={res}0.1362
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.45{col 61}{txt}P-val={res}0.1172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.24{col 61}{txt}P-val={res}0.1348

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    2.37
{txt}{col 55}Prob > F      = {res}  0.1251
{txt}Total (centered) SS     = {res} 1311898.719{txt}{col 55}Centered R2   = {res}  0.7204
{txt}Total (uncentered) SS   = {res} 1311898.719{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1313104.062{txt}{col 55}Root MSE      = {res}   25.21

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}       pro_env_water{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0161061{col 34}{space 2} .0104718{col 45}{space 1}    1.54{col 54}{space 3}0.125{col 62}{space 4}-.0045055{col 75}{space 3} .0367178
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.666
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 322.232
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.801
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
water_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.49
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9793
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9742
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1283
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   66.1809

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.67091{col 26}{space 2} 5.336255{col 37}{space 1}    4.06{col 46}{space 3}0.000{col 54}{space 4}  11.1676{col 67}{space 3} 32.17423
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.45
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1186
{txt}{col 51}R-squared{col 67}= {res}    0.7211
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6520
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0017
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1781

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}    pro_env_water{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0145241{col 31}{space 2}  .009279{col 42}{space 1}    1.57{col 51}{space 3}0.119{col 59}{space 4}-.0037397{col 72}{space 3}  .032788
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1362
{txt}{col 51}R-squared{col 67}= {res}    0.7209
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6517
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0008
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1889

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wa~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .6124615{col 26}{space 2} .4098681{col 37}{space 1}    1.49{col 46}{space 3}0.136{col 54}{space 4}-.1942791{col 67}{space 3} 1.419202
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.49{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.13{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.49

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.40  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  346.32
Kleibergen-Paap Wald rk F statistic{col 65}   16.49

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.23{col 61}{txt}P-val={res}0.1362
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.45{col 61}{txt}P-val={res}0.1172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.24{col 61}{txt}P-val={res}0.1348

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    2.42
{txt}{col 55}Prob > F      = {res}  0.1209
{txt}Total (centered) SS     = {res} 1311898.719{txt}{col 55}Centered R2   = {res}  0.7207
{txt}Total (uncentered) SS   = {res} 1311898.719{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1311668.023{txt}{col 55}Root MSE      = {res}    25.2

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}    pro_env_water{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0282619{col 31}{space 2} .0181695{col 42}{space 1}    1.56{col 51}{space 3}0.121{col 59}{space 4} -.007501{col 72}{space 3} .0640248
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.395
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 346.316
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.492
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
water_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.76
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8688
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8363
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0489
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7374

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  .142673{col 26}{space 2} .0249252{col 37}{space 1}    5.72{col 46}{space 3}0.000{col 54}{space 4}  .093613{col 67}{space 3} .1917331
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.31
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.5791
{txt}{col 51}R-squared{col 67}= {res}    0.7207
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6515
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0001
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1972

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}         pro_env_water{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-.4046335{col 36}{space 2} .7285376{col 47}{space 1}   -0.56{col 56}{space 3}0.579{col 64}{space 4}-1.838609{col 77}{space 3} 1.029342
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1362
{txt}{col 51}R-squared{col 67}= {res}    0.7209
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6517
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0008
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1889

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wa~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .6124615{col 26}{space 2} .4098681{col 37}{space 1}    1.49{col 46}{space 3}0.136{col 54}{space 4}-.1942791{col 67}{space 3} 1.419202
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   32.76{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.02{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.76

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.44  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  120.91
Kleibergen-Paap Wald rk F statistic{col 65}   32.76

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.23{col 61}{txt}P-val={res}0.1362
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.45{col 61}{txt}P-val={res}0.1172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.24{col 61}{txt}P-val={res}0.1348

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    2.00
{txt}{col 55}Prob > F      = {res}  0.1585
{txt}Total (centered) SS     = {res} 1311898.719{txt}{col 55}Centered R2   = {res}  0.7151
{txt}Total (uncentered) SS   = {res} 1311898.719{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1337768.448{txt}{col 55}Root MSE      = {res}   25.45

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}         pro_env_water{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 4.292763{col 36}{space 2} 3.036515{col 47}{space 1}    1.41{col 56}{space 3}0.159{col 64}{space 4}-1.683988{col 77}{space 3} 10.26952
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.435
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 120.906
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.765
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
water_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.30
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.9041
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8803
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0504
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6395

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1257536{col 26}{space 2} .0221254{col 37}{space 1}    5.68{col 46}{space 3}0.000{col 54}{space 4} .0822044{col 67}{space 3} .1693028
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.15
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.7031
{txt}{col 51}R-squared{col 67}= {res}    0.7207
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6514
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0001
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1982

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}      pro_env_water{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-.3185527{col 33}{space 2} .8349465{col 44}{space 1}   -0.38{col 53}{space 3}0.703{col 61}{space 4}-1.961972{col 74}{space 3} 1.324867
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1362
{txt}{col 51}R-squared{col 67}= {res}    0.7209
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6517
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0008
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   25.1889

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wa~r{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .6124615{col 26}{space 2} .4098681{col 37}{space 1}    1.49{col 46}{space 3}0.136{col 54}{space 4}-.1942791{col 67}{space 3} 1.419202
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.30{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.52{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.30

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.08  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  124.89
Kleibergen-Paap Wald rk F statistic{col 65}   32.30

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   2.23{col 61}{txt}P-val={res}0.1362
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.45{col 61}{txt}P-val={res}0.1172
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   2.24{col 61}{txt}P-val={res}0.1348

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    2.00
{txt}{col 55}Prob > F      = {res}  0.1583
{txt}Total (centered) SS     = {res} 1311898.719{txt}{col 55}Centered R2   = {res}  0.7156
{txt}Total (uncentered) SS   = {res} 1311898.719{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1335765.769{txt}{col 55}Root MSE      = {res}   25.43

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}      pro_env_water{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}  4.87033{col 33}{space 2} 3.443465{col 44}{space 1}    1.41{col 53}{space 3}0.158{col 61}{space 4} -1.90742{col 74}{space 3} 11.64808
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.081
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 124.889
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.304
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
water_lncount
wildlife
capacity
{err}(running historical version of reghdfe)
{res}{txt}(dropped 1 singleton observations)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.61
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7326
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6709
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1224
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  120.4834

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.21679{col 26}{space 2} 9.132269{col 37}{space 1}    4.08{col 46}{space 3}0.000{col 54}{space 4} 19.24181{col 67}{space 3} 55.19177
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     11.18
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0009
{txt}{col 51}R-squared{col 67}= {res}    0.7643
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7100
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0080
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1225

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}    pro_env_wildlife{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0161777{col 34}{space 2} .0048394{col 45}{space 1}    3.34{col 54}{space 3}0.001{col 62}{space 4} .0066524{col 75}{space 3}  .025703
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          249             249              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      9.47
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0023
{txt}{col 51}R-squared{col 67}= {res}    0.7640
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7096
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0065
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1399

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wi~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.553309{col 26}{space 2}  .504649{col 37}{space 1}    3.08{col 46}{space 3}0.002{col 54}{space 4}  .560012{col 67}{space 3} 2.546606
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.61{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.26{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.61

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.51  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  364.11
Kleibergen-Paap Wald rk F statistic{col 65}   16.61

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   9.47{col 61}{txt}P-val={res}0.0023
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  10.41{col 61}{txt}P-val={res}0.0013
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.21{col 61}{txt}P-val={res}0.0042

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    7.18
{txt}{col 55}Prob > F      = {res}  0.0078
{txt}Total (centered) SS     = {res} 1252591.562{txt}{col 55}Centered R2   = {res}  0.7596
{txt}Total (uncentered) SS   = {res} 1252591.562{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res}  1267642.79{txt}{col 55}Root MSE      = {res}   23.36

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}    pro_env_wildlife{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0417368{col 34}{space 2} .0155792{col 45}{space 1}    2.68{col 54}{space 3}0.008{col 62}{space 4} .0110724{col 75}{space 3} .0724012
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.514
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 364.110
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.608
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          249             249              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
wildlife_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(dropped 1 singleton observations)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9784
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9734
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1301
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   66.6819

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.33049{col 26}{space 2} 5.294798{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 10.90877{col 67}{space 3}  31.7522
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     12.27
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0005
{txt}{col 51}R-squared{col 67}= {res}    0.7646
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7103
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0091
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1098

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1} pro_env_wildlife{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0310114{col 31}{space 2} .0088519{col 42}{space 1}    3.50{col 51}{space 3}0.001{col 59}{space 4} .0135884{col 72}{space 3} .0484345
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          249             249              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      9.47
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0023
{txt}{col 51}R-squared{col 67}= {res}    0.7640
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7096
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0065
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1399

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wi~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.553309{col 26}{space 2}  .504649{col 37}{space 1}    3.08{col 46}{space 3}0.002{col 54}{space 4}  .560012{col 67}{space 3} 2.546606
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.23{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.84{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.23

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.20  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  390.48
Kleibergen-Paap Wald rk F statistic{col 65}   16.23

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   9.47{col 61}{txt}P-val={res}0.0023
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  10.41{col 61}{txt}P-val={res}0.0013
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.21{col 61}{txt}P-val={res}0.0042

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    7.27
{txt}{col 55}Prob > F      = {res}  0.0074
{txt}Total (centered) SS     = {res} 1252591.562{txt}{col 55}Centered R2   = {res}  0.7607
{txt}Total (uncentered) SS   = {res} 1252591.562{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1261932.475{txt}{col 55}Root MSE      = {res}    23.3

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1} pro_env_wildlife{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0728211{col 31}{space 2} .0270002{col 42}{space 1}    2.70{col 51}{space 3}0.007{col 59}{space 4} .0196767{col 72}{space 3} .1259654
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.200
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 390.477
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.229
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          249             249              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
wildlife_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(dropped 1 singleton observations)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.15
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8574
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8245
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0519
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7437

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1439337{col 26}{space 2} .0249988{col 37}{space 1}    5.76{col 46}{space 3}0.000{col 54}{space 4} .0947286{col 67}{space 3} .1931387
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.78
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0966
{txt}{col 51}R-squared{col 67}= {res}    0.7628
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7081
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0017
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1962

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}      pro_env_wildlife{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 1.255003{col 36}{space 2} .7528524{col 47}{space 1}    1.67{col 56}{space 3}0.097{col 64}{space 4}-.2268317{col 77}{space 3} 2.736837
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          249             249              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      9.47
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0023
{txt}{col 51}R-squared{col 67}= {res}    0.7640
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7096
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0065
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1399

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wi~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.553309{col 26}{space 2}  .504649{col 37}{space 1}    3.08{col 46}{space 3}0.002{col 54}{space 4}  .560012{col 67}{space 3} 2.546606
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.15{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.44{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.15

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.31  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  142.92
Kleibergen-Paap Wald rk F statistic{col 65}   33.15

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   9.47{col 61}{txt}P-val={res}0.0023
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  10.41{col 61}{txt}P-val={res}0.0013
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.21{col 61}{txt}P-val={res}0.0042

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    7.65
{txt}{col 55}Prob > F      = {res}  0.0060
{txt}Total (centered) SS     = {res} 1252591.562{txt}{col 55}Centered R2   = {res}  0.7395
{txt}Total (uncentered) SS   = {res} 1252591.562{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1373776.269{txt}{col 55}Root MSE      = {res}   24.31

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}      pro_env_wildlife{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 10.79184{col 36}{space 2} 3.901094{col 47}{space 1}    2.77{col 56}{space 3}0.006{col 64}{space 4} 3.113342{col 77}{space 3} 18.47034
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.312
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 142.919
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.150
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          249             249              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
wildlife_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(dropped 1 singleton observations)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8974
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8737
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0534
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6452

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1267683{col 26}{space 2} .0222329{col 37}{space 1}    5.70{col 46}{space 3}0.000{col 54}{space 4} .0830074{col 67}{space 3} .1705292
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.96
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0866
{txt}{col 51}R-squared{col 67}= {res}    0.7629
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7082
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0018
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1951

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}   pro_env_wildlife{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 1.482499{col 33}{space 2} .8622879{col 44}{space 1}    1.72{col 53}{space 3}0.087{col 61}{space 4}-.2147366{col 74}{space 3} 3.179734
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          249             249              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,861
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      9.47
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0023
{txt}{col 51}R-squared{col 67}= {res}    0.7640
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7096
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0065
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   23.1399

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_wi~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.553309{col 26}{space 2}  .504649{col 37}{space 1}    3.08{col 46}{space 3}0.002{col 54}{space 4}  .560012{col 67}{space 3} 2.546606
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.51{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.74{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.51

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}31.88  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  147.30
Kleibergen-Paap Wald rk F statistic{col 65}   32.51

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   9.47{col 61}{txt}P-val={res}0.0023
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}  10.41{col 61}{txt}P-val={res}0.0013
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   8.21{col 61}{txt}P-val={res}0.0042

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2861
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2861
{txt}{col 55}F(  1,   286) = {res}    7.63
{txt}{col 55}Prob > F      = {res}  0.0061
{txt}Total (centered) SS     = {res} 1252591.562{txt}{col 55}Centered R2   = {res}  0.7404
{txt}Total (uncentered) SS   = {res} 1252591.562{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1368917.949{txt}{col 55}Root MSE      = {res}   24.27

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}   pro_env_wildlife{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 12.25313{col 33}{space 2}  4.43722{col 44}{space 1}    2.76{col 53}{space 3}0.006{col 61}{space 4} 3.519383{col 74}{space 3} 20.98688
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  31.880
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 147.299
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.511
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          249             249              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
wildlife_lncount
dirty
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.58
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7112
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6396
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1251
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  125.5660

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.60906{col 26}{space 2}  9.23502{col 37}{space 1}    4.07{col 46}{space 3}0.000{col 54}{space 4} 19.43184{col 67}{space 3} 55.78629
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      6.63
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0106
{txt}{col 51}R-squared{col 67}= {res}    0.8412
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8018
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0078
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   19.9373

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}pro_env_dirty_energy{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}  .013167{col 34}{space 2} .0051154{col 45}{space 1}    2.57{col 54}{space 3}0.011{col 62}{space 4} .0030983{col 75}{space 3} .0232357
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.03
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0085
{txt}{col 51}R-squared{col 67}= {res}    0.8409
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8014
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0059
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   19.9564

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_di~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  1.21722{col 26}{space 2} .4591495{col 37}{space 1}    2.65{col 46}{space 3}0.008{col 54}{space 4} .3134795{col 67}{space 3} 2.120961
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.58{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.23{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.58

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.51  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  336.56
Kleibergen-Paap Wald rk F statistic{col 65}   16.58

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   7.03{col 61}{txt}P-val={res}0.0085
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.73{col 61}{txt}P-val={res}0.0054
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   6.87{col 61}{txt}P-val={res}0.0088

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    6.57
{txt}{col 55}Prob > F      = {res}  0.0109
{txt}Total (centered) SS     = {res} 827681.1101{txt}{col 55}Centered R2   = {res}  0.8385
{txt}Total (uncentered) SS   = {res} 827681.1101{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 834948.9676{txt}{col 55}Root MSE      = {res}    20.1

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}pro_env_dirty_energy{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0323651{col 34}{space 2} .0126255{col 45}{space 1}    2.56{col 54}{space 3}0.011{col 62}{space 4} .0075143{col 75}{space 3} .0572159
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.512
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 336.561
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.585
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          225             225              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
dirty_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.25
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9768
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9711
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1328
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   69.4309

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.52122{col 26}{space 2} 5.339056{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 11.01239{col 67}{space 3} 32.03005
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.07
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0083
{txt}{col 51}R-squared{col 67}= {res}    0.8413
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8020
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0088
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   19.9275

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}pro_env_dirty_e~y{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0251391{col 31}{space 2} .0094533{col 42}{space 1}    2.66{col 51}{space 3}0.008{col 59}{space 4} .0065322{col 72}{space 3} .0437461
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.03
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0085
{txt}{col 51}R-squared{col 67}= {res}    0.8409
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8014
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0059
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   19.9564

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_di~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  1.21722{col 26}{space 2} .4591495{col 37}{space 1}    2.65{col 46}{space 3}0.008{col 54}{space 4} .3134795{col 67}{space 3} 2.120961
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.25{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.86{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.25

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.22  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  360.46
Kleibergen-Paap Wald rk F statistic{col 65}   16.25

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   7.03{col 61}{txt}P-val={res}0.0085
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.73{col 61}{txt}P-val={res}0.0054
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   6.87{col 61}{txt}P-val={res}0.0088

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    6.71
{txt}{col 55}Prob > F      = {res}  0.0101
{txt}Total (centered) SS     = {res} 827681.1101{txt}{col 55}Centered R2   = {res}  0.8391
{txt}Total (uncentered) SS   = {res} 827681.1101{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 831761.0639{txt}{col 55}Root MSE      = {res}   20.06

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}pro_env_dirty_e~y{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0565591{col 31}{space 2} .0218337{col 42}{space 1}    2.59{col 51}{space 3}0.010{col 59}{space 4}  .013584{col 72}{space 3} .0995341
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.220
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 360.455
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.248
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          225             225              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
dirty_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.74
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8514
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8145
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0549
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7566

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1444673{col 26}{space 2} .0248696{col 37}{space 1}    5.81{col 46}{space 3}0.000{col 54}{space 4} .0955167{col 67}{space 3} .1934179
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.18
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6684
{txt}{col 51}R-squared{col 67}= {res}    0.8399
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8003
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0002
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.0140

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}  pro_env_dirty_energy{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-.3157579{col 36}{space 2} .7363306{col 47}{space 1}   -0.43{col 56}{space 3}0.668{col 64}{space 4}-1.765073{col 77}{space 3} 1.133557
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.03
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0085
{txt}{col 51}R-squared{col 67}= {res}    0.8409
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8014
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0059
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   19.9564

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_di~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  1.21722{col 26}{space 2} .4591495{col 37}{space 1}    2.65{col 46}{space 3}0.008{col 54}{space 4} .3134795{col 67}{space 3} 2.120961
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.74{col 28}  0.0000{col 37}{txt}|{col 42}{res}   37.10{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.74

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}33.07  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  136.79
Kleibergen-Paap Wald rk F statistic{col 65}   33.74

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   7.03{col 61}{txt}P-val={res}0.0085
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.73{col 61}{txt}P-val={res}0.0054
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   6.87{col 61}{txt}P-val={res}0.0088

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    5.97
{txt}{col 55}Prob > F      = {res}  0.0152
{txt}Total (centered) SS     = {res} 827681.1101{txt}{col 55}Centered R2   = {res}  0.8215
{txt}Total (uncentered) SS   = {res} 827681.1101{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 923171.9843{txt}{col 55}Root MSE      = {res}   21.14

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}  pro_env_dirty_energy{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}  8.42558{col 36}{space 2} 3.448905{col 47}{space 1}    2.44{col 56}{space 3}0.015{col 64}{space 4} 1.637124{col 77}{space 3} 15.21404
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  33.075
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 136.792
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.744
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          225             225              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
dirty_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.96
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8937
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8674
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0566
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6565

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1273616{col 26}{space 2}  .022184{col 37}{space 1}    5.74{col 46}{space 3}0.000{col 54}{space 4}  .083697{col 67}{space 3} .1710261
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.15
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6992
{txt}{col 51}R-squared{col 67}= {res}    0.8399
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8003
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0001
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   20.0143

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}pro_env_dirty_ene~y{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-.3234444{col 33}{space 2} .8361451{col 44}{space 1}   -0.39{col 53}{space 3}0.699{col 61}{space 4}-1.969223{col 74}{space 3} 1.322334
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,579
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.03
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0085
{txt}{col 51}R-squared{col 67}= {res}    0.8409
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8014
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0059
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   19.9564

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_di~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}  1.21722{col 26}{space 2} .4591495{col 37}{space 1}    2.65{col 46}{space 3}0.008{col 54}{space 4} .3134795{col 67}{space 3} 2.120961
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          225             225              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.96{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.24{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.96

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.52  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  141.21
Kleibergen-Paap Wald rk F statistic{col 65}   32.96

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   7.03{col 61}{txt}P-val={res}0.0085
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   7.73{col 61}{txt}P-val={res}0.0054
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   6.87{col 61}{txt}P-val={res}0.0088

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2579
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2579
{txt}{col 55}F(  1,   286) = {res}    5.92
{txt}{col 55}Prob > F      = {res}  0.0156
{txt}Total (centered) SS     = {res} 827681.1101{txt}{col 55}Centered R2   = {res}  0.8221
{txt}Total (uncentered) SS   = {res} 827681.1101{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 919722.6549{txt}{col 55}Root MSE      = {res}    21.1

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}pro_env_dirty_ene~y{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 9.557204{col 33}{space 2} 3.929534{col 44}{space 1}    2.43{col 53}{space 3}0.016{col 61}{space 4} 1.822729{col 74}{space 3} 17.29168
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.521
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 141.209
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.961
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          225             225              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
dirty_lncount
air
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.55
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.6943
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6117
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1264
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  133.7257

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}   37.771{col 26}{space 2}  9.28463{col 37}{space 1}    4.07{col 46}{space 3}0.000{col 54}{space 4} 19.49613{col 67}{space 3} 56.04588
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      7.55
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0064
{txt}{col 51}R-squared{col 67}= {res}    0.7878
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7304
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0057
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7080

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}         pro_env_air{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0130982{col 34}{space 2} .0047664{col 45}{space 1}    2.75{col 54}{space 3}0.006{col 62}{space 4} .0037165{col 75}{space 3} .0224799
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          200             200              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.35
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0682
{txt}{col 51}R-squared{col 67}= {res}    0.7871
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7295
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0025
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7478

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1} pro_env_air{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9227287{col 26}{space 2} .5039728{col 37}{space 1}    1.83{col 46}{space 3}0.068{col 54}{space 4}-.0692375{col 67}{space 3} 1.914695
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.55{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.20{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.55

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.50  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  302.15
Kleibergen-Paap Wald rk F statistic{col 65}   16.55

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   3.35{col 61}{txt}P-val={res}0.0682
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.69{col 61}{txt}P-val={res}0.0549
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.34{col 61}{txt}P-val={res}0.0675

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2289
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2289
{txt}{col 55}F(  1,   286) = {res}    3.39
{txt}{col 55}Prob > F      = {res}  0.0668
{txt}Total (centered) SS     = {res} 1105809.795{txt}{col 55}Centered R2   = {res}  0.7868
{txt}Total (uncentered) SS   = {res} 1105809.795{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1104218.419{txt}{col 55}Root MSE      = {res}   24.76

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}         pro_env_air{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0244296{col 34}{space 2} .0132746{col 45}{space 1}    1.84{col 54}{space 3}0.067{col 62}{space 4}-.0016988{col 75}{space 3} .0505579
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.501
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 302.149
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.550
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          200             200              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
air_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.25
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9744
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9674
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1338
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   73.9519

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.58261{col 26}{space 2} 5.353597{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 11.04516{col 67}{space 3} 32.12006
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      8.66
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0035
{txt}{col 51}R-squared{col 67}= {res}    0.7880
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7307
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0069
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.6939

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}      pro_env_air{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0258144{col 31}{space 2}  .008772{col 42}{space 1}    2.94{col 51}{space 3}0.004{col 59}{space 4} .0085484{col 72}{space 3} .0430803
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          200             200              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.35
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0682
{txt}{col 51}R-squared{col 67}= {res}    0.7871
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7295
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0025
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7478

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1} pro_env_air{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9227287{col 26}{space 2} .5039728{col 37}{space 1}    1.83{col 46}{space 3}0.068{col 54}{space 4}-.0692375{col 67}{space 3} 1.914695
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.25{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.87{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.25

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.24  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  322.58
Kleibergen-Paap Wald rk F statistic{col 65}   16.25

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   3.35{col 61}{txt}P-val={res}0.0682
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.69{col 61}{txt}P-val={res}0.0549
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.34{col 61}{txt}P-val={res}0.0675

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2289
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2289
{txt}{col 55}F(  1,   286) = {res}    3.42
{txt}{col 55}Prob > F      = {res}  0.0654
{txt}Total (centered) SS     = {res} 1105809.795{txt}{col 55}Centered R2   = {res}  0.7874
{txt}Total (uncentered) SS   = {res} 1105809.795{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1101494.986{txt}{col 55}Root MSE      = {res}   24.73

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}      pro_env_air{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0427533{col 31}{space 2} .0231131{col 42}{space 1}    1.85{col 51}{space 3}0.065{col 59}{space 4}-.0027399{col 72}{space 3} .0882466
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.236
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 322.584
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.252
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          200             200              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
air_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.72
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8431
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8007
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0578
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7838

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1441679{col 26}{space 2} .0248252{col 37}{space 1}    5.81{col 46}{space 3}0.000{col 54}{space 4} .0953045{col 67}{space 3} .1930312
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.27
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6029
{txt}{col 51}R-squared{col 67}= {res}    0.7866
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7289
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0002
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7760

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}           pro_env_air{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-.4721434{col 36}{space 2} .9066096{col 47}{space 1}   -0.52{col 56}{space 3}0.603{col 64}{space 4}-2.256617{col 77}{space 3}  1.31233
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          200             200              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.35
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0682
{txt}{col 51}R-squared{col 67}= {res}    0.7871
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7295
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0025
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7478

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1} pro_env_air{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9227287{col 26}{space 2} .5039728{col 37}{space 1}    1.83{col 46}{space 3}0.068{col 54}{space 4}-.0692375{col 67}{space 3} 1.914695
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.72{col 28}  0.0000{col 37}{txt}|{col 42}{res}   37.08{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.72

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}33.22  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  128.13
Kleibergen-Paap Wald rk F statistic{col 65}   33.72

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   3.35{col 61}{txt}P-val={res}0.0682
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.69{col 61}{txt}P-val={res}0.0549
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.34{col 61}{txt}P-val={res}0.0675

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2289
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2289
{txt}{col 55}F(  1,   286) = {res}    3.29
{txt}{col 55}Prob > F      = {res}  0.0709
{txt}Total (centered) SS     = {res} 1105809.795{txt}{col 55}Centered R2   = {res}  0.7759
{txt}Total (uncentered) SS   = {res} 1105809.795{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1161015.875{txt}{col 55}Root MSE      = {res}   25.39

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}           pro_env_air{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 6.400377{col 36}{space 2} 3.530344{col 47}{space 1}    1.81{col 56}{space 3}0.071{col 64}{space 4}-.5483745{col 77}{space 3} 13.34913
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  33.222
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 128.126
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.725
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          200             200              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
air_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.91
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8879
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8577
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0597
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6801

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1272268{col 26}{space 2} .0221784{col 37}{space 1}    5.74{col 46}{space 3}0.000{col 54}{space 4} .0835732{col 67}{space 3} .1708804
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.10
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.7484
{txt}{col 51}R-squared{col 67}= {res}    0.7866
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7288
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0001
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7779

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}        pro_env_air{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-.3344694{col 33}{space 2}  1.04193{col 44}{space 1}   -0.32{col 53}{space 3}0.748{col 61}{space 4}-2.385294{col 74}{space 3} 1.716355
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          200             200              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,289
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.35
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0682
{txt}{col 51}R-squared{col 67}= {res}    0.7871
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7295
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0025
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   24.7478

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1} pro_env_air{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .9227287{col 26}{space 2} .5039728{col 37}{space 1}    1.83{col 46}{space 3}0.068{col 54}{space 4}-.0692375{col 67}{space 3} 1.914695
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          200             200              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.91{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.19{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.91

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.64  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  132.54
Kleibergen-Paap Wald rk F statistic{col 65}   32.91

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   3.35{col 61}{txt}P-val={res}0.0682
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.69{col 61}{txt}P-val={res}0.0549
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   3.34{col 61}{txt}P-val={res}0.0675

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2289
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2289
{txt}{col 55}F(  1,   286) = {res}    3.32
{txt}{col 55}Prob > F      = {res}  0.0695
{txt}Total (centered) SS     = {res} 1105809.795{txt}{col 55}Centered R2   = {res}  0.7767
{txt}Total (uncentered) SS   = {res} 1105809.795{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1156705.587{txt}{col 55}Root MSE      = {res}   25.34

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}        pro_env_air{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 7.252627{col 33}{space 2} 3.980696{col 44}{space 1}    1.82{col 53}{space 3}0.070{col 61}{space 4}  -.58255{col 74}{space 3}  15.0878
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.641
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 132.543
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.908
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          200             200              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
air_lncount
climate
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     17.40
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8893
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8446
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1191
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  109.9491

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 52.30756{col 26}{space 2} 12.54033{col 37}{space 1}    4.17{col 46}{space 3}0.000{col 54}{space 4}  27.6245{col 67}{space 3} 76.99061
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.71
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4013
{txt}{col 51}R-squared{col 67}= {res}    0.8277
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7581
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.0094

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}pro_env_climate_ch~e{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0041104{col 34}{space 2} .0048905{col 45}{space 1}    0.84{col 54}{space 3}0.401{col 62}{space 4}-.0055156{col 75}{space 3} .0137364
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          125             125              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.2697
{txt}{col 51}R-squared{col 67}= {res}    0.8279
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7584
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0018
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   21.9952

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.197788{col 26}{space 2}  1.08304{col 37}{space 1}    1.11{col 46}{space 3}0.270{col 54}{space 4}-.9339517{col 67}{space 3} 3.329527
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   17.40{col 28}  0.0000{col 37}{txt}|{col 42}{res}   19.13{col 51}  0.0000{col 60}{txt}|{col 65}{res}   17.40

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}14.32  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  176.74
Kleibergen-Paap Wald rk F statistic{col 65}   17.40

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.22{col 61}{txt}P-val={res}0.2697
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.34{col 61}{txt}P-val={res}0.2462
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.35{col 61}{txt}P-val={res}0.2451

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      1433
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    1433
{txt}{col 55}F(  1,   286) = {res}    1.28
{txt}{col 55}Prob > F      = {res}  0.2584
{txt}Total (centered) SS     = {res} 494337.1758{txt}{col 55}Centered R2   = {res}  0.8260
{txt}Total (uncentered) SS   = {res} 494337.1758{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 499042.0829{txt}{col 55}Root MSE      = {res}   22.12

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}pro_env_climate_ch~e{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0228989{col 34}{space 2} .0202218{col 45}{space 1}    1.13{col 54}{space 3}0.258{col 62}{space 4}-.0169034{col 75}{space 3} .0627013
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  14.316
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 176.735
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  17.398
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          125             125              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
climate_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     18.67
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.9875
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9824
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1263
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   57.2864

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 28.17636{col 26}{space 2}  6.52097{col 37}{space 1}    4.32{col 46}{space 3}0.000{col 54}{space 4} 15.34117{col 67}{space 3} 41.01154
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.67
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4138
{txt}{col 51}R-squared{col 67}= {res}    0.8277
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7581
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.0091

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}pro_env_climate~e{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0080247{col 31}{space 2}  .009805{col 42}{space 1}    0.82{col 51}{space 3}0.414{col 59}{space 4}-.0112745{col 72}{space 3} .0273238
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          125             125              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.2697
{txt}{col 51}R-squared{col 67}= {res}    0.8279
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7584
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0018
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   21.9952

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.197788{col 26}{space 2}  1.08304{col 37}{space 1}    1.11{col 46}{space 3}0.270{col 54}{space 4}-.9339517{col 67}{space 3} 3.329527
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   18.67{col 28}  0.0000{col 37}{txt}|{col 42}{res}   20.53{col 51}  0.0000{col 60}{txt}|{col 65}{res}   18.67

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}15.13  {col 61}{txt}P-val={res}0.0001

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  188.91
Kleibergen-Paap Wald rk F statistic{col 65}   18.67

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.22{col 61}{txt}P-val={res}0.2697
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.34{col 61}{txt}P-val={res}0.2462
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.35{col 61}{txt}P-val={res}0.2451

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      1433
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    1433
{txt}{col 55}F(  1,   286) = {res}    1.28
{txt}{col 55}Prob > F      = {res}  0.2583
{txt}Total (centered) SS     = {res} 494337.1758{txt}{col 55}Centered R2   = {res}  0.8261
{txt}Total (uncentered) SS   = {res} 494337.1758{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 498646.7374{txt}{col 55}Root MSE      = {res}   22.11

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}pro_env_climate~e{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0425104{col 31}{space 2}  .037534{col 42}{space 1}    1.13{col 51}{space 3}0.258{col 59}{space 4}-.0313674{col 72}{space 3} .1163882
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  15.126
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0001
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 188.906
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  18.670
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          125             125              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
climate_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     22.20
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.9267
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8972
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0357
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6523

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1624905{col 26}{space 2}   .03449{col 37}{space 1}    4.71{col 46}{space 3}0.000{col 54}{space 4} .0946041{col 67}{space 3} .2303769
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.20
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6513
{txt}{col 51}R-squared{col 67}= {res}    0.8277
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7580
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.0112

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}pro_env_climate_change{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} .5853595{col 36}{space 2} 1.293825{col 47}{space 1}    0.45{col 56}{space 3}0.651{col 64}{space 4}-1.961267{col 77}{space 3} 3.131986
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          125             125              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.2697
{txt}{col 51}R-squared{col 67}= {res}    0.8279
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7584
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0018
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   21.9952

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.197788{col 26}{space 2}  1.08304{col 37}{space 1}    1.11{col 46}{space 3}0.270{col 54}{space 4}-.9339517{col 67}{space 3} 3.329527
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   22.20{col 28}  0.0000{col 37}{txt}|{col 42}{res}   24.40{col 51}  0.0000{col 60}{txt}|{col 65}{res}   22.20

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}25.56  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}   48.45
Kleibergen-Paap Wald rk F statistic{col 65}   22.20

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.22{col 61}{txt}P-val={res}0.2697
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.34{col 61}{txt}P-val={res}0.2462
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.35{col 61}{txt}P-val={res}0.2451

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      1433
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    1433
{txt}{col 55}F(  1,   286) = {res}    1.28
{txt}{col 55}Prob > F      = {res}  0.2580
{txt}Total (centered) SS     = {res} 494337.1758{txt}{col 55}Centered R2   = {res}  0.8204
{txt}Total (uncentered) SS   = {res} 494337.1758{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 514911.6485{txt}{col 55}Root MSE      = {res}   22.47

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}pro_env_climate_change{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 7.371434{col 36}{space 2} 6.503996{col 47}{space 1}    1.13{col 56}{space 3}0.258{col 64}{space 4}-5.430338{col 77}{space 3}  20.1732
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  25.558
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71}  48.452
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  22.196
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          125             125              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
climate_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     22.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.9436
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9208
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0375
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.5625

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1435693{col 26}{space 2} .0304493{col 37}{space 1}    4.72{col 46}{space 3}0.000{col 54}{space 4} .0836361{col 67}{space 3} .2035025
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.38
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.5396
{txt}{col 51}R-squared{col 67}= {res}    0.8277
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7581
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0006
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   22.0083

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}pro_env_climate_c~e{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} .9184531{col 33}{space 2} 1.495524{col 44}{space 1}    0.61{col 53}{space 3}0.540{col 61}{space 4}-2.025177{col 74}{space 3} 3.862084
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          125             125              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     1,433
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.2697
{txt}{col 51}R-squared{col 67}= {res}    0.8279
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7584
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0018
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   21.9952

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 1.197788{col 26}{space 2}  1.08304{col 37}{space 1}    1.11{col 46}{space 3}0.270{col 54}{space 4}-.9339517{col 67}{space 3} 3.329527
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          125             125              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   22.23{col 28}  0.0000{col 37}{txt}|{col 42}{res}   24.44{col 51}  0.0000{col 60}{txt}|{col 65}{res}   22.23

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}25.56  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}   50.87
Kleibergen-Paap Wald rk F statistic{col 65}   22.23

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.22{col 61}{txt}P-val={res}0.2697
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.34{col 61}{txt}P-val={res}0.2462
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.35{col 61}{txt}P-val={res}0.2451

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      1433
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    1433
{txt}{col 55}F(  1,   286) = {res}    1.30
{txt}{col 55}Prob > F      = {res}  0.2557
{txt}Total (centered) SS     = {res} 494337.1758{txt}{col 55}Centered R2   = {res}  0.8213
{txt}Total (uncentered) SS   = {res} 494337.1758{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 512538.2316{txt}{col 55}Root MSE      = {res}   22.42

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}pro_env_climate_c~e{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 8.342927{col 33}{space 2} 7.325359{col 44}{space 1}    1.14{col 53}{space 3}0.256{col 61}{space 4}-6.075528{col 74}{space 3} 22.76138
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  25.557
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71}  50.865
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  22.231
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          125             125              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
climate_lncount
clean
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.59
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.7328
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6710
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1221
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  120.4377

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.19943{col 26}{space 2} 9.132246{col 37}{space 1}    4.07{col 46}{space 3}0.000{col 54}{space 4} 19.22449{col 67}{space 3} 55.17437
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      9.53
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0022
{txt}{col 51}R-squared{col 67}= {res}    0.6834
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6103
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0052
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1235

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}pro_env_clean_energy{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0163362{col 34}{space 2} .0052914{col 45}{space 1}    3.09{col 54}{space 3}0.002{col 62}{space 4} .0059212{col 75}{space 3} .0267513
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.69
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1940
{txt}{col 51}R-squared{col 67}= {res}    0.6822
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6087
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0013
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1807

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8605131{col 26}{space 2} .6609902{col 37}{space 1}    1.30{col 46}{space 3}0.194{col 54}{space 4}-.4405094{col 67}{space 3} 2.161536
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   16.59{col 28}  0.0001{col 37}{txt}|{col 42}{res}   18.25{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.59

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.51  {col 61}{txt}P-val={res}0.0002

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  363.28
Kleibergen-Paap Wald rk F statistic{col 65}   16.59

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.69{col 61}{txt}P-val={res}0.1940
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.86{col 61}{txt}P-val={res}0.1722
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.78{col 61}{txt}P-val={res}0.1827

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2862
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2862
{txt}{col 55}F(  1,   286) = {res}    1.77
{txt}{col 55}Prob > F      = {res}  0.1844
{txt}Total (centered) SS     = {res} 1981420.724{txt}{col 55}Centered R2   = {res}  0.6831
{txt}Total (uncentered) SS   = {res} 1981420.724{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1972946.374{txt}{col 55}Root MSE      = {res}   29.14

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}pro_env_clean_energy{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0231324{col 34}{space 2} .0173867{col 45}{space 1}    1.33{col 54}{space 3}0.184{col 62}{space 4}-.0110897{col 75}{space 3} .0573546
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.509
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0002
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 363.280
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.593
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
clean_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     16.21
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9784
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9734
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1299
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   66.6567

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 21.33103{col 26}{space 2}  5.29866{col 37}{space 1}    4.03{col 46}{space 3}0.000{col 54}{space 4} 10.90172{col 67}{space 3} 31.76035
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      8.98
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0030
{txt}{col 51}R-squared{col 67}= {res}    0.6834
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6103
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0052
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1238

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}pro_env_clean_e~y{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0293328{col 31}{space 2} .0097861{col 42}{space 1}    3.00{col 51}{space 3}0.003{col 59}{space 4}  .010071{col 72}{space 3} .0485947
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.69
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1940
{txt}{col 51}R-squared{col 67}= {res}    0.6822
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6087
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0013
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1807

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8605131{col 26}{space 2} .6609902{col 37}{space 1}    1.30{col 46}{space 3}0.194{col 54}{space 4}-.4405094{col 67}{space 3} 2.161536
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   16.21{col 28}  0.0001{col 37}{txt}|{col 42}{res}   17.82{col 51}  0.0000{col 60}{txt}|{col 65}{res}   16.21

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.19  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  389.97
Kleibergen-Paap Wald rk F statistic{col 65}   16.21

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.69{col 61}{txt}P-val={res}0.1940
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.86{col 61}{txt}P-val={res}0.1722
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.78{col 61}{txt}P-val={res}0.1827

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2862
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2862
{txt}{col 55}F(  1,   286) = {res}    1.81
{txt}{col 55}Prob > F      = {res}  0.1802
{txt}Total (centered) SS     = {res} 1981420.724{txt}{col 55}Centered R2   = {res}  0.6832
{txt}Total (uncentered) SS   = {res} 1981420.724{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 1972647.429{txt}{col 55}Root MSE      = {res}   29.13

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}pro_env_clean_e~y{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0403409{col 31}{space 2} .0300256{col 42}{space 1}    1.34{col 51}{space 3}0.180{col 59}{space 4}-.0187584{col 72}{space 3} .0994402
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.189
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 389.969
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  16.207
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
clean_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     33.06
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8577
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8249
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0520
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7443

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1442677{col 26}{space 2} .0250901{col 37}{space 1}    5.75{col 46}{space 3}0.000{col 54}{space 4}  .094883{col 67}{space 3} .1936524
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.25
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6162
{txt}{col 51}R-squared{col 67}= {res}    0.6818
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6083
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0002
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1956

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}  pro_env_clean_energy{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} .5960383{col 36}{space 2} 1.187744{col 47}{space 1}    0.50{col 56}{space 3}0.616{col 64}{space 4} -1.74179{col 77}{space 3} 2.933867
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.69
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1940
{txt}{col 51}R-squared{col 67}= {res}    0.6822
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6087
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0013
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1807

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8605131{col 26}{space 2} .6609902{col 37}{space 1}    1.30{col 46}{space 3}0.194{col 54}{space 4}-.4405094{col 67}{space 3} 2.161536
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   33.06{col 28}  0.0000{col 37}{txt}|{col 42}{res}   36.35{col 51}  0.0000{col 60}{txt}|{col 65}{res}   33.06

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}32.31  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  143.08
Kleibergen-Paap Wald rk F statistic{col 65}   33.06

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.69{col 61}{txt}P-val={res}0.1940
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.86{col 61}{txt}P-val={res}0.1722
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.78{col 61}{txt}P-val={res}0.1827

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2862
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2862
{txt}{col 55}F(  1,   286) = {res}    1.65
{txt}{col 55}Prob > F      = {res}  0.1994
{txt}Total (centered) SS     = {res} 1981420.724{txt}{col 55}Centered R2   = {res}  0.6756
{txt}Total (uncentered) SS   = {res} 1981420.724{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 2020075.318{txt}{col 55}Root MSE      = {res}   29.48

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}  pro_env_clean_energy{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 5.964697{col 36}{space 2} 4.636884{col 47}{space 1}    1.29{col 56}{space 3}0.199{col 64}{space 4}-3.162051{col 77}{space 3} 15.09145
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  32.307
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 143.081
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  33.062
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          250             250              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
clean_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     32.41
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8975
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8739
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0535
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6455

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1270498{col 26}{space 2} .0223168{col 37}{space 1}    5.69{col 46}{space 3}0.000{col 54}{space 4} .0831238{col 67}{space 3} .1709757
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.14
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.7106
{txt}{col 51}R-squared{col 67}= {res}    0.6818
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6083
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0001
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1972

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}pro_env_clean_ene~y{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} .5074184{col 33}{space 2} 1.366365{col 44}{space 1}    0.37{col 53}{space 3}0.711{col 61}{space 4}-2.181989{col 74}{space 3} 3.196826
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,862
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.69
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1940
{txt}{col 51}R-squared{col 67}= {res}    0.6822
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6087
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0013
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1807

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_cl~y{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .8605131{col 26}{space 2} .6609902{col 37}{space 1}    1.30{col 46}{space 3}0.194{col 54}{space 4}-.4405094{col 67}{space 3} 2.161536
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          250             250              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   32.41{col 28}  0.0000{col 37}{txt}|{col 42}{res}   35.64{col 51}  0.0000{col 60}{txt}|{col 65}{res}   32.41

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}31.86  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  147.51
Kleibergen-Paap Wald rk F statistic{col 65}   32.41

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   1.69{col 61}{txt}P-val={res}0.1940
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.86{col 61}{txt}P-val={res}0.1722
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   1.78{col 61}{txt}P-val={res}0.1827

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2862
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2862
{txt}{col 55}F(  1,   286) = {res}    1.63
{txt}{col 55}Prob > F      = {res}  0.2028
{txt}Total (centered) SS     = {res} 1981420.724{txt}{col 55}Centered R2   = {res}  0.6754
{txt}Total (uncentered) SS   = {res} 1981420.724{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 2021323.672{txt}{col 55}Root MSE      = {res}   29.49

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}pro_env_clean_ene~y{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 6.773039{col 33}{space 2} 5.305988{col 44}{space 1}    1.28{col 53}{space 3}0.203{col 61}{space 4}-3.670703{col 74}{space 3} 17.21678
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  31.859
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 147.506
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  32.410
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          250             250              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
clean_lncount
oceans
capacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     13.41
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0003
{txt}{col 51}R-squared{col 67}= {res}    0.9207
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8625
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1280
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  112.9371

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 69.64916{col 26}{space 2} 19.02295{col 37}{space 1}    3.66{col 46}{space 3}0.000{col 54}{space 4} 32.20641{col 67}{space 3} 107.0919
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.11
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.7393
{txt}{col 51}R-squared{col 67}= {res}    0.7761
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6118
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0002
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1342

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}      pro_env_oceans{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} -.003777{col 34}{space 2}   .01134{col 45}{space 1}   -0.33{col 54}{space 3}0.739{col 62}{space 4}-.0260974{col 75}{space 3} .0185434
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}           75              75              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6404
{txt}{col 51}R-squared{col 67}= {res}    0.7762
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6119
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1304

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_oc~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -1.05708{col 26}{space 2} 2.260469{col 37}{space 1}   -0.47{col 46}{space 3}0.640{col 54}{space 4}-5.506346{col 67}{space 3} 3.392187
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   13.41{col 28}  0.0003{col 37}{txt}|{col 42}{res}   14.75{col 51}  0.0001{col 60}{txt}|{col 65}{res}   13.41

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}11.35  {col 61}{txt}P-val={res}0.0008

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  114.50
Kleibergen-Paap Wald rk F statistic{col 65}   13.41

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.22{col 61}{txt}P-val={res}0.6404
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6238
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6266

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}       856
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}     856
{txt}{col 55}F(  1,   286) = {res}    0.22
{txt}{col 55}Prob > F      = {res}  0.6431
{txt}Total (centered) SS     = {res} 418562.7489{txt}{col 55}Centered R2   = {res}  0.7756
{txt}Total (uncentered) SS   = {res} 418562.7489{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 419397.0813{txt}{col 55}Root MSE      = {res}   29.17

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}      pro_env_oceans{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}-.0151772{col 34}{space 2} .0327191{col 45}{space 1}   -0.46{col 54}{space 3}0.643{col 62}{space 4}-.0795779{col 75}{space 3} .0492235
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  11.353
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0008
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 114.505
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  13.405
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}           75              75              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
oceans_capacity
count
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     14.25
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0002
{txt}{col 51}R-squared{col 67}= {res}    0.9901
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9828
{txt}{col 51}Within R-sq.{col 67}= {res}    0.1404
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   57.6579

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 37.50099{col 26}{space 2} 9.935764{col 37}{space 1}    3.77{col 46}{space 3}0.000{col 54}{space 4}  17.9445{col 67}{space 3} 57.05749
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6345
{txt}{col 51}R-squared{col 67}= {res}    0.7762
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6119
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0006
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1289

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}   pro_env_oceans{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}  -.01156{col 31}{space 2} .0242879{col 42}{space 1}   -0.48{col 51}{space 3}0.634{col 59}{space 4}-.0593656{col 72}{space 3} .0362457
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}           75              75              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6404
{txt}{col 51}R-squared{col 67}= {res}    0.7762
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6119
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1304

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_oc~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -1.05708{col 26}{space 2} 2.260469{col 37}{space 1}   -0.47{col 46}{space 3}0.640{col 54}{space 4}-5.506346{col 67}{space 3} 3.392187
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   14.25{col 28}  0.0002{col 37}{txt}|{col 42}{res}   15.67{col 51}  0.0001{col 60}{txt}|{col 65}{res}   14.25

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}11.84  {col 61}{txt}P-val={res}0.0006

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  127.36
Kleibergen-Paap Wald rk F statistic{col 65}   14.25

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.22{col 61}{txt}P-val={res}0.6404
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6238
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6266

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}       856
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}     856
{txt}{col 55}F(  1,   286) = {res}    0.22
{txt}{col 55}Prob > F      = {res}  0.6424
{txt}Total (centered) SS     = {res} 418562.7489{txt}{col 55}Centered R2   = {res}  0.7759
{txt}Total (uncentered) SS   = {res} 418562.7489{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 418835.1181{txt}{col 55}Root MSE      = {res}   29.15

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}   pro_env_oceans{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} -.028188{col 31}{space 2} .0606385{col 42}{space 1}   -0.46{col 51}{space 3}0.642{col 59}{space 4}-.1475424{col 72}{space 3} .0911663
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  11.845
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0006
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 127.360
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  14.246
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}           75              75              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
oceans_count
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     14.97
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0001
{txt}{col 51}R-squared{col 67}= {res}    0.9526
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9177
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0366
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6053

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1897673{col 26}{space 2} .0490496{col 37}{space 1}    3.87{col 46}{space 3}0.000{col 54}{space 4} .0932233{col 67}{space 3} .2863112
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.79
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.3740
{txt}{col 51}R-squared{col 67}= {res}    0.7768
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6128
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0030
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.0947

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}        pro_env_oceans{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-2.570304{col 36}{space 2} 2.886691{col 47}{space 1}   -0.89{col 56}{space 3}0.374{col 64}{space 4}-8.252158{col 77}{space 3}  3.11155
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}           75              75              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6404
{txt}{col 51}R-squared{col 67}= {res}    0.7762
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6119
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1304

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_oc~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -1.05708{col 26}{space 2} 2.260469{col 37}{space 1}   -0.47{col 46}{space 3}0.640{col 54}{space 4}-5.506346{col 67}{space 3} 3.392187
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   14.97{col 28}  0.0001{col 37}{txt}|{col 42}{res}   16.46{col 51}  0.0000{col 60}{txt}|{col 65}{res}   14.97

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}17.66  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}   29.60
Kleibergen-Paap Wald rk F statistic{col 65}   14.97

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.22{col 61}{txt}P-val={res}0.6404
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6238
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6266

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}       856
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}     856
{txt}{col 55}F(  1,   286) = {res}    0.21
{txt}{col 55}Prob > F      = {res}  0.6476
{txt}Total (centered) SS     = {res} 418562.7489{txt}{col 55}Centered R2   = {res}  0.7759
{txt}Total (uncentered) SS   = {res} 418562.7489{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 419011.5402{txt}{col 55}Root MSE      = {res}   29.15

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}        pro_env_oceans{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-5.570399{col 36}{space 2} 12.17472{col 47}{space 1}   -0.46{col 56}{space 3}0.648{col 64}{space 4}-29.53381{col 77}{space 3} 18.39301
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  17.661
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71}  29.596
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  14.968
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}           75              75              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
oceans_lncapacity
lncount
{err}(running historical version of reghdfe)
{res}{txt}(converged in 6 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     14.30
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0002
{txt}{col 51}R-squared{col 67}= {res}    0.9633
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9364
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0360
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.5182

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1612078{col 26}{space 2} .0426257{col 37}{space 1}    3.78{col 46}{space 3}0.000{col 54}{space 4}  .077308{col 67}{space 3} .2451077
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.76
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.3849
{txt}{col 51}R-squared{col 67}= {res}    0.7767
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6128
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0028
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.0972

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}     pro_env_oceans{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-2.914718{col 33}{space 2} 3.349415{col 44}{space 1}   -0.87{col 53}{space 3}0.385{col 61}{space 4} -9.50735{col 74}{space 3} 3.677913
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}           75              75              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}       856
{txt}Absorbing 2 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.22
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.6404
{txt}{col 51}R-squared{col 67}= {res}    0.7762
{txt}{col 51}Adj R-squared{col 67}= {res}    0.6119
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   29.1304

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}pro_env_oc~s{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -1.05708{col 26}{space 2} 2.260469{col 37}{space 1}   -0.47{col 46}{space 3}0.640{col 54}{space 4}-5.506346{col 67}{space 3} 3.392187
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}           75              75              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   14.30{col 28}  0.0002{col 37}{txt}|{col 42}{res}   15.73{col 51}  0.0001{col 60}{txt}|{col 65}{res}   14.30

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}16.84  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}   29.14
Kleibergen-Paap Wald rk F statistic{col 65}   14.30

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.22{col 61}{txt}P-val={res}0.6404
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6238
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.24{col 61}{txt}P-val={res}0.6266

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}       856
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}     856
{txt}{col 55}F(  1,   286) = {res}    0.21
{txt}{col 55}Prob > F      = {res}  0.6478
{txt}Total (centered) SS     = {res} 418562.7489{txt}{col 55}Centered R2   = {res}  0.7757
{txt}Total (uncentered) SS   = {res} 418562.7489{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 419218.1359{txt}{col 55}Root MSE      = {res}   29.16

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}     pro_env_oceans{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-6.557247{col 33}{space 2} 14.33922{col 44}{space 1}   -0.46{col 53}{space 3}0.648{col 61}{space 4}-34.78105{col 74}{space 3} 21.66655
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  16.843
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71}  29.138
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  14.303
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}           75              75              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
oceans_lncount

{com}. 
. ** Coefplots of issues by independent variable 
. coefplot (drilling_capacity_iv, label(drilling)) (lands_capacity_iv,label(land)) (toxics_capacity_iv, label(toxics)) ///
>                  (water_capacity_iv, label(water)) (wildlife_capacity_iv, label(wildlife)) (clean_capacity_iv, label(clean energy)) ///
>                  (dirty_capacity_iv, label(dirty energy)) (climate_capacity_iv, label(climate change)) ///
>                  , drop(_cons) coeflabel(cum_capacity_turbine = " ", notick) byopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) nolabels ///
>                  name(issue_capacity, replace) xscale(range(-0.05 0.15)) xlabel(-0.05(0.05)0.15)  legend(cols(1) pos(3) rowgap(3) symplacement(left) size(small)) ///
>                  title("Capacity", color(black) size(small) box bexpand bcolor(gs15) lcolor(black))
{res}{txt}
{com}.         
. coefplot (drilling_count_iv, label(drilling)) (lands_count_iv,label(land)) (toxics_count_iv, label(toxics)) ///
>                  (water_count_iv, label(water)) (wildlife_count_iv, label(wildlife)) (clean_count_iv, label(clean energy)) ///
>                  (dirty_count_iv, label(dirty energy)) (climate_count_iv, label(climate change)) ///
>                  , drop(_cons) coeflabel(cum_count_turbine = " ", notick) byopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) nolabels ///
>                  name(issue_count, replace) xscale(range(-0.05 0.15)) xlabel(-0.05(0.05)0.15) ///
>                  title("Count", color(black) size(small) box bexpand bcolor(gs15) lcolor(black))
{res}{txt}
{com}.         
. coefplot (drilling_lncapacity_iv, label(drilling)) (lands_lncapacity_iv,label(land)) (toxics_lncapacity_iv, label(toxics)) ///
>                  (water_lncapacity_iv, label(water)) (wildlife_lncapacity_iv, label(wildlife)) (clean_lncapacity_iv, label(clean energy)) ///
>                  (dirty_lncapacity_iv, label(dirty energy)) (climate_lncapacity_iv, label(climate change))  ///
>                  , drop(_cons) coeflabel(cum_lncapacity_turbine = " ", notick) byopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) ///
>                  name(issue_lncapacity, replace) xscale(range(-15 20)) xlabel(-15(10)25) ///
>                  title("log(Capacity)", color(black) size(small) box bexpand bcolor(gs15) lcolor(black))
{res}{txt}
{com}.         
. coefplot (drilling_lncount_iv, label(drilling)) (lands_lncount_iv,label(land)) (toxics_lncount_iv, label(toxics)) ///
>                  (water_lncount_iv, label(water)) (wildlife_lncount_iv, label(wildlife)) (clean_lncount_iv, label(clean energy)) ///
>                  (dirty_lncount_iv, label(dirty energy)) (climate_lncount_iv, label(climate change)) ///
>                  , drop(_cons) coeflabel(cum_lncount_turbine = " ", notick) byopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) ///
>                  name(issue_lncount, replace) xscale(range(-15 20)) xlabel(-15(10)25) ///
>                  title("log(Count)", color(black) size(small) box bexpand bcolor(gs15) lcolor(black))
{res}{txt}
{com}. 
. ** Combine coefplots and save
. grc1leg issue_capacity issue_count issue_lncapacity issue_lncount, legendfrom(issue_capacity) position(3) graphregion(color(white)) span
{res}{txt}
{com}. 
. cd "$rootDir/$graphDir"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Results/Figures
{txt}
{com}. graph export fg4.pdf, replace
{txt}(file /Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Results/Figures/fg4.pdf written in PDF format)

{com}. 
. 
. *******************************************************************************
. /*                                                      Table A20                                                                        */
. *******************************************************************************
. ** Load wind votes panel
. cd "$rootDir/$dataDir/Final"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Data/Final
{txt}
{com}. use votes_wind_panel.dta, clear
{txt}
{com}. 
. ** Create instrument and fixed effects
. gen t = year - 2003
{txt}
{com}. gen inter = t * mean_wp
{txt}
{com}. 
. egen stateyear_fixed = group(state year)
{txt}
{com}. egen district_fixed = group(state district)
{txt}
{com}. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)
{txt}
{com}. gen cum_lncount_turbine = log(cum_count_turbine +1 )
{txt}
{com}. 
. encode name, generate(legislator) 
{txt}
{com}. 
. *------------ Main results: By pro- or anti- environmental voting ------------*
. local outcome pro_env anti_env // outcome variable 
{txt}
{com}. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbine cum_lncount_turbine // endogenous variable
{txt}
{com}. local instrument inter // instrument
{txt}
{com}. local admin1_trend stateyear_fixed // geography * time trend
{txt}
{com}. local admin2 district_fixed // panel unit (cluster variable)
{txt}
{com}. local individual legislator // elected official fixed effects
{txt}
{com}. 
. /* List of variables:
>                 
>   1. outcome            - dependent variable
>   2. endogenous         - independent variable (endogeous) to be instrumented
>   3. instrument         - instrument
>   4. admin1_trend       - admin1-specific time trend (i.e. state by year fixed effect) 
>   5. admin2             - panel unit and cluster variable (i.e congressional district fixed effect)
> 
> */
. 
. foreach y in `outcome' {c -(}
{txt}  2{com}.         // Create outcome variable label for storing estimates
.         tokenize "`y'", parse("_")
{txt}  3{com}.         local y_name "`1'"
{txt}  4{com}.         di "`y_name'"
{txt}  5{com}.         
.         foreach x in `endogenous' {c -(}
{txt}  6{com}.                         // Create endogenous variable label for storing estimates
.                         tokenize "`x'", parse("_")
{txt}  7{com}.                         local x_name "`3'"
{txt}  8{com}.                         di "`x_name'"
{txt}  9{com}.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_trend' `admin2' `individual') ffirst stages(first ols reduced) vce(cluster `admin2') old
{txt} 10{com}.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
{txt} 11{com}.                         estimates restore reghdfe_first1
{txt} 12{com}.                         estimates store `y_name'_`x_name'_first
{txt} 13{com}.                         estimates restore reghdfe_ols
{txt} 14{com}.                         estimates store `y_name'_`x_name'_ols
{txt} 15{com}.                         estimates restore reghdfe_reduced
{txt} 16{com}.                         estimates store `y_name'_`x_name'_reduced
{txt} 17{com}.                 {c )-}
{txt} 18{com}. {c )-}
pro
capacity
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     12.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0005
{txt}{col 51}R-squared{col 67}= {res}    0.8096
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7089
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0723
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  113.3342

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}   27.953{col 26}{space 2} 7.992985{col 37}{space 1}    3.50{col 46}{space 3}0.001{col 54}{space 4} 12.22046{col 67}{space 3} 43.68554
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.03
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0457
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9285
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0015
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8408

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0035954{col 34}{space 2} .0017913{col 45}{space 1}    2.01{col 54}{space 3}0.046{col 62}{space 4} .0000696{col 75}{space 3} .0071211
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          249             249              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
          legislator {c |}            0             453            453 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.57
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4512
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9284
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8474

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1683461{col 26}{space 2} .2231335{col 37}{space 1}    0.75{col 46}{space 3}0.451{col 54}{space 4}-.2708461{col 67}{space 3} .6075382
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   12.23{col 28}  0.0005{col 37}{txt}|{col 42}{res}   13.44{col 51}  0.0002{col 60}{txt}|{col 65}{res}   12.23

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}12.06  {col 61}{txt}P-val={res}0.0005

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  203.48
Kleibergen-Paap Wald rk F statistic{col 65}   12.23

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.57{col 61}{txt}P-val={res}0.4512
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.63{col 61}{txt}P-val={res}0.4289
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.60{col 61}{txt}P-val={res}0.4389

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    0.55
{txt}{col 55}Prob > F      = {res}  0.4603
{txt}Total (centered) SS     = {res} 220102.7211{txt}{col 55}Centered R2   = {res}  0.9532
{txt}Total (uncentered) SS   = {res} 220102.7211{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 219920.5467{txt}{col 55}Root MSE      = {res}   10.84

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0060225{col 34}{space 2} .0081456{col 45}{space 1}    0.74{col 54}{space 3}0.460{col 62}{space 4}-.0100104{col 75}{space 3} .0220553
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  12.058
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0005
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 203.479
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  12.230
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          249             249              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
          legislator {c |}            0             453            453 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
count
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     13.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0003
{txt}{col 51}R-squared{col 67}= {res}    0.9855
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9779
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0779
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   60.8012

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 15.61449{col 26}{space 2} 4.248779{col 37}{space 1}    3.68{col 46}{space 3}0.000{col 54}{space 4} 7.251649{col 67}{space 3} 23.97733
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      3.64
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0573
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9285
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0017
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8401

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0069603{col 31}{space 2} .0036465{col 42}{space 1}    1.91{col 51}{space 3}0.057{col 59}{space 4}-.0002171{col 72}{space 3} .0141377
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          249             249              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
       legislator {c |}            0             453            453 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.57
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4512
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9284
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8474

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1683461{col 26}{space 2} .2231335{col 37}{space 1}    0.75{col 46}{space 3}0.451{col 54}{space 4}-.2708461{col 67}{space 3} .6075382
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   13.51{col 28}  0.0003{col 37}{txt}|{col 42}{res}   14.85{col 51}  0.0001{col 60}{txt}|{col 65}{res}   13.51

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.26  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  220.61
Kleibergen-Paap Wald rk F statistic{col 65}   13.51

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.57{col 61}{txt}P-val={res}0.4512
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.63{col 61}{txt}P-val={res}0.4289
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.60{col 61}{txt}P-val={res}0.4389

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    0.55
{txt}{col 55}Prob > F      = {res}  0.4585
{txt}Total (centered) SS     = {res} 220102.7211{txt}{col 55}Centered R2   = {res}  0.9532
{txt}Total (uncentered) SS   = {res} 220102.7211{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 219848.9747{txt}{col 55}Root MSE      = {res}   10.84

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0107814{col 31}{space 2} .0145233{col 42}{space 1}    0.74{col 51}{space 3}0.458{col 59}{space 4}-.0178047{col 72}{space 3} .0393675
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.262
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 220.605
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  13.506
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          249             249              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
       legislator {c |}            0             453            453 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     22.29
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8973
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8430
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0384
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7030

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1241684{col 26}{space 2} .0263006{col 37}{space 1}    4.72{col 46}{space 3}0.000{col 54}{space 4} .0724011{col 67}{space 3} .1759357
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.55
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4596
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9284
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8462

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}               pro_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} .3497709{col 36}{space 2} .4723257{col 47}{space 1}    0.74{col 56}{space 3}0.460{col 64}{space 4}-.5799045{col 77}{space 3} 1.279446
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          249             249              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
            legislator {c |}            0             453            453 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.57
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4512
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9284
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8474

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1683461{col 26}{space 2} .2231335{col 37}{space 1}    0.75{col 46}{space 3}0.451{col 54}{space 4}-.2708461{col 67}{space 3} .6075382
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   22.29{col 28}  0.0000{col 37}{txt}|{col 42}{res}   24.50{col 51}  0.0000{col 60}{txt}|{col 65}{res}   22.29

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}27.48  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  104.35
Kleibergen-Paap Wald rk F statistic{col 65}   22.29

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.57{col 61}{txt}P-val={res}0.4512
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.63{col 61}{txt}P-val={res}0.4289
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.60{col 61}{txt}P-val={res}0.4389

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    0.53
{txt}{col 55}Prob > F      = {res}  0.4651
{txt}Total (centered) SS     = {res} 220102.7211{txt}{col 55}Centered R2   = {res}  0.9530
{txt}Total (uncentered) SS   = {res} 220102.7211{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 220957.8616{txt}{col 55}Root MSE      = {res}   10.87

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}               pro_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2} 1.355789{col 36}{space 2} 1.853603{col 47}{space 1}    0.73{col 56}{space 3}0.465{col 64}{space 4}-2.292647{col 77}{space 3} 5.004224
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  27.480
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 104.351
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  22.289
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          249             249              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
            legislator {c |}            0             453            453 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncount
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     21.06
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.9248
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8850
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0389
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6153

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1093541{col 26}{space 2} .0238296{col 37}{space 1}    4.59{col 46}{space 3}0.000{col 54}{space 4} .0624504{col 67}{space 3} .1562577
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.54
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4646
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9284
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0005
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8462

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}            pro_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} .3944045{col 33}{space 2} .5385557{col 44}{space 1}    0.73{col 53}{space 3}0.465{col 61}{space 4}-.6656312{col 74}{space 3}  1.45444
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          249             249              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
         legislator {c |}            0             453            453 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      0.57
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.4512
{txt}{col 51}R-squared{col 67}= {res}    0.9532
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9284
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0003
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.8474

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}     pro_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1683461{col 26}{space 2} .2231335{col 37}{space 1}    0.75{col 46}{space 3}0.451{col 54}{space 4}-.2708461{col 67}{space 3} .6075382
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   21.06{col 28}  0.0000{col 37}{txt}|{col 42}{res}   23.15{col 51}  0.0000{col 60}{txt}|{col 65}{res}   21.06

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}25.92  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  105.64
Kleibergen-Paap Wald rk F statistic{col 65}   21.06

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   0.57{col 61}{txt}P-val={res}0.4512
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.63{col 61}{txt}P-val={res}0.4289
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   0.60{col 61}{txt}P-val={res}0.4389

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    0.53
{txt}{col 55}Prob > F      = {res}  0.4660
{txt}Total (centered) SS     = {res} 220102.7211{txt}{col 55}Centered R2   = {res}  0.9530
{txt}Total (uncentered) SS   = {res} 220102.7211{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 220954.0981{txt}{col 55}Root MSE      = {res}   10.87

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}            pro_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} 1.539458{col 33}{space 2} 2.108803{col 44}{space 1}    0.73{col 53}{space 3}0.466{col 61}{space 4}-2.611285{col 74}{space 3} 5.690201
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  25.919
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 105.636
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  21.059
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          249             249              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
         legislator {c |}            0             453            453 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
anti
capacity
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_capacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     12.23
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0005
{txt}{col 51}R-squared{col 67}= {res}    0.8096
{txt}{col 51}Adj R-squared{col 67}= {res}    0.7089
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0723
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}  113.3342

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_capaci~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2}   27.953{col 26}{space 2} 7.992985{col 37}{space 1}    3.50{col 46}{space 3}0.001{col 54}{space 4} 12.22046{col 67}{space 3} 43.68554
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.79
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0959
{txt}{col 51}R-squared{col 67}= {res}    0.9597
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9383
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0012
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0130

{txt}{ralign 86:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}-.0029166{col 34}{space 2} .0017458{col 45}{space 1}   -1.67{col 54}{space 3}0.096{col 62}{space 4}-.0063528{col 75}{space 3} .0005195
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          249             249              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
          legislator {c |}            0             453            453 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.48
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0352
{txt}{col 51}R-squared{col 67}= {res}    0.9597
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9384
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0024
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0068

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -.435121{col 26}{space 2} .2056738{col 37}{space 1}   -2.12{col 46}{space 3}0.035{col 54}{space 4}-.8399473{col 67}{space 3}-.0302946
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_capacity{col 14}{txt}|{col 18}{res}   12.23{col 28}  0.0005{col 37}{txt}|{col 42}{res}   13.44{col 51}  0.0002{col 60}{txt}|{col 65}{res}   12.23

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}12.06  {col 61}{txt}P-val={res}0.0005

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  203.48
Kleibergen-Paap Wald rk F statistic{col 65}   12.23

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0352
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.92{col 61}{txt}P-val={res}0.0265
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0343

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    3.24
{txt}{col 55}Prob > F      = {res}  0.0730
{txt}Total (centered) SS     = {res} 187707.9165{txt}{col 55}Centered R2   = {res}  0.9588
{txt}Total (uncentered) SS   = {res} 187707.9165{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 191630.6591{txt}{col 55}Root MSE      = {res}   10.12

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}-.0155662{col 34}{space 2} .0086494{col 45}{space 1}   -1.80{col 54}{space 3}0.073{col 62}{space 4}-.0325907{col 75}{space 3} .0014584
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  12.058
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0005
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 203.479
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  12.230
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          249             249              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
          legislator {c |}            0             453            453 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
count
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_count_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     13.51
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0003
{txt}{col 51}R-squared{col 67}= {res}    0.9855
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9779
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0779
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   60.8012

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_count_~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} 15.61449{col 26}{space 2} 4.248779{col 37}{space 1}    3.68{col 46}{space 3}0.000{col 54}{space 4} 7.251649{col 67}{space 3} 23.97733
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      2.08
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.1507
{txt}{col 51}R-squared{col 67}= {res}    0.9596
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9383
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0011
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0133

{txt}{ralign 83:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0052917{col 31}{space 2} .0036723{col 42}{space 1}   -1.44{col 51}{space 3}0.151{col 59}{space 4}-.0125198{col 72}{space 3} .0019365
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          249             249              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
       legislator {c |}            0             453            453 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.48
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0352
{txt}{col 51}R-squared{col 67}= {res}    0.9597
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9384
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0024
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0068

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -.435121{col 26}{space 2} .2056738{col 37}{space 1}   -2.12{col 46}{space 3}0.035{col 54}{space 4}-.8399473{col 67}{space 3}-.0302946
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_count_tu{col 14}{txt}|{col 18}{res}   13.51{col 28}  0.0003{col 37}{txt}|{col 42}{res}   14.85{col 51}  0.0001{col 60}{txt}|{col 65}{res}   13.51

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}13.26  {col 61}{txt}P-val={res}0.0003

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  220.61
Kleibergen-Paap Wald rk F statistic{col 65}   13.51

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0352
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.92{col 61}{txt}P-val={res}0.0265
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0343

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    3.35
{txt}{col 55}Prob > F      = {res}  0.0684
{txt}Total (centered) SS     = {res} 187707.9165{txt}{col 55}Centered R2   = {res}  0.9588
{txt}Total (uncentered) SS   = {res} 187707.9165{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 191318.7622{txt}{col 55}Root MSE      = {res}   10.11

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0278665{col 31}{space 2}  .015234{col 42}{space 1}   -1.83{col 51}{space 3}0.068{col 59}{space 4}-.0578516{col 72}{space 3} .0021186
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.262
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 220.605
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  13.506
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          249             249              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
       legislator {c |}            0             453            453 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncapacity
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncapacity_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     22.29
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.8973
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8430
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0384
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.7030

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncapa~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1241684{col 26}{space 2} .0263006{col 37}{space 1}    4.72{col 46}{space 3}0.000{col 54}{space 4} .0724011{col 67}{space 3} .1759357
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.07
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.3010
{txt}{col 51}R-squared{col 67}= {res}    0.9596
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9383
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0011
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0136

{txt}{ralign 88:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}              anti_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-.4534557{col 36}{space 2} .4375954{col 47}{space 1}   -1.04{col 56}{space 3}0.301{col 64}{space 4}-1.314772{col 77}{space 3} .4078604
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          249             249              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
            legislator {c |}            0             453            453 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.48
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0352
{txt}{col 51}R-squared{col 67}= {res}    0.9597
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9384
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0024
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0068

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -.435121{col 26}{space 2} .2056738{col 37}{space 1}   -2.12{col 46}{space 3}0.035{col 54}{space 4}-.8399473{col 67}{space 3}-.0302946
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncapaci{col 14}{txt}|{col 18}{res}   22.29{col 28}  0.0000{col 37}{txt}|{col 42}{res}   24.50{col 51}  0.0000{col 60}{txt}|{col 65}{res}   22.29

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}27.48  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  104.35
Kleibergen-Paap Wald rk F statistic{col 65}   22.29

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0352
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.92{col 61}{txt}P-val={res}0.0265
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0343

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    3.78
{txt}{col 55}Prob > F      = {res}  0.0528
{txt}Total (centered) SS     = {res} 187707.9165{txt}{col 55}Centered R2   = {res}  0.9577
{txt}Total (uncentered) SS   = {res} 187707.9165{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 196455.9657{txt}{col 55}Root MSE      = {res}   10.25

{txt}{hline 23}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 24}{c |}{col 36}    Robust
{col 1}              anti_env{col 24}{c |}      Coef.{col 36}   Std. Err.{col 48}      t{col 56}   P>|t|{col 64}     [95% Con{col 77}f. Interval]
{hline 23}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncapacity_turbine {c |}{col 24}{res}{space 2}-3.504282{col 36}{space 2} 1.801986{col 47}{space 1}   -1.94{col 56}{space 3}0.053{col 64}{space 4}-7.051118{col 77}{space 3}  .042554
{txt}{hline 23}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  27.480
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 104.351
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  22.289
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncapacity_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 23}{c TT}{hline 49}{c TRC}
           Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 23}{c +}{hline 49}{c RT}
       stateyear_fixed {c |}          249             249              0     {c |} 
        district_fixed {c |}            0             287            287 *   {c |} 
            legislator {c |}            0             453            453 *   {c |} 
{hline 23}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)
lncount
{err}(running historical version of reghdfe)
{res}{txt}(dropped 8 singleton observations)
{res}{txt}(converged in 17 iterations)
{res}
{txt}{inp}{title:Stage: first - cum_lncount_turbine}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}     21.06
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0000
{txt}{col 51}R-squared{col 67}= {res}    0.9248
{txt}{col 51}Adj R-squared{col 67}= {res}    0.8850
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0389
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}    0.6153

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}cum_lncoun~e{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} .1093541{col 26}{space 2} .0238296{col 37}{space 1}    4.59{col 46}{space 3}0.000{col 54}{space 4} .0624504{col 67}{space 3} .1562577
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: ols}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      1.14
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.2869
{txt}{col 51}R-squared{col 67}= {res}    0.9596
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9383
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0012
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0131

{txt}{ralign 85:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}           anti_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2}-.5438106{col 33}{space 2} .5096608{col 44}{space 1}   -1.07{col 53}{space 3}0.287{col 61}{space 4}-1.546972{col 74}{space 3} .4593512
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          249             249              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
         legislator {c |}            0             453            453 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: reduced}

{txt}HDFE Linear regression{col 51}Number of obs{col 67}= {res}     2,860
{txt}Absorbing 3 HDFE groups{col 51}F({res}   1{txt},{res}    286{txt}){col 67}= {res}      4.48
{txt}Statistics robust to heteroskedasticity{col 51}Prob > F{col 67}= {res}    0.0352
{txt}{col 51}R-squared{col 67}= {res}    0.9597
{txt}{col 51}Adj R-squared{col 67}= {res}    0.9384
{txt}{col 51}Within R-sq.{col 67}= {res}    0.0024
{txt}{col 1}Number of clusters ({res}district_fixed{txt}) {col 30}= {res}       287{txt}{col 51}Root MSE{col 67}= {res}   10.0068

{txt}{ralign 78:(Std. Err. adjusted for {res:287} clusters in district_fixed)}
{hline 13}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 14}{c |}{col 26}    Robust
{col 1}    anti_env{col 14}{c |}      Coef.{col 26}   Std. Err.{col 38}      t{col 46}   P>|t|{col 54}     [95% Con{col 67}f. Interval]
{hline 13}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{space 7}inter {c |}{col 14}{res}{space 2} -.435121{col 26}{space 2} .2056738{col 37}{space 1}   -2.12{col 46}{space 3}0.035{col 54}{space 4}-.8399473{col 67}{space 3}-.0302946
{txt}{hline 13}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}

Absorbed degrees of freedom:
{hline 16}{c TT}{hline 49}{c TRC}
    Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 16}{c +}{hline 49}{c RT}
stateyear_fixed {c |}          249             249              0     {c |} 
 district_fixed {c |}            0             287            287 *   {c |} 
     legislator {c |}            0             453            453 *   {c |} 
{hline 16}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}
{txt}{inp}{title:Stage: iv}


{txt}Summary results for first-stage regressions
{hline 43}

{col 44}{help ivreg2##swstats:(Underid)}{col 65}{help ivreg2##swstats:(Weak id)}
Variable     |{col 16}{help ivreg2##swstats:F}({res}{col 17}  1{txt},{res}   286{txt})  P-val{col 37}|{col 39}{help ivreg2##swstats:SW Chi-sq}({res}  1{txt}) P-val{col 60}|{col 62}{help ivreg2##swstats:SW F}({res}{col 67}  1{txt},{res}   286{txt})
{res}cum_lncount_{col 14}{txt}|{col 18}{res}   21.06{col 28}  0.0000{col 37}{txt}|{col 42}{res}   23.15{col 51}  0.0000{col 60}{txt}|{col 65}{res}   21.06

{txt}NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

{help ivreg2##idtest:Underidentification test}
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
{res}Kleibergen-Paap rk LM statistic{txt}{col 42}Chi-sq({res}1{txt})={res}25.92  {col 61}{txt}P-val={res}0.0000

{help ivreg2##widtest:Weak identification test}
{txt}Ho: equation is weakly identified
{res}Cragg-Donald Wald F statistic{col 65}  105.64
Kleibergen-Paap Wald rk F statistic{col 65}   21.06

{txt}Stock-Yogo weak ID test critical values for K1=1 and L1=1:
{res}{txt}{col 36}10% maximal IV size{res}{col 67} 16.38
{txt}{col 36}15% maximal IV size{res}{col 67}  8.96
{txt}{col 36}20% maximal IV size{res}{col 67}  6.66
{txt}{col 36}25% maximal IV size{res}{col 67}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

{help ivreg2##wirobust:Weak-instrument-robust inference}
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
{res}Anderson-Rubin Wald test{txt}{col 36}F({res}1{txt},{res}286{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0352
Anderson-Rubin Wald test{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.92{col 61}{txt}P-val={res}0.0265
Stock-Wright LM S statistic{txt}{col 36}Chi-sq({res}1{txt})={col 49}{res}   4.48{col 61}{txt}P-val={res}0.0343

{txt}NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  = {res}       287
{txt}Number of observations               N  = {res}      2860
{txt}Number of regressors                 K  = {res}         1
{txt}Number of endogenous regressors      K1 = {res}         1
{txt}Number of instruments                L  = {res}         1
{txt}Number of excluded instruments       L1 = {res}         1

{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2860
{txt}{col 55}F(  1,   286) = {res}    3.71
{txt}{col 55}Prob > F      = {res}  0.0552
{txt}Total (centered) SS     = {res} 187707.9165{txt}{col 55}Centered R2   = {res}  0.9578
{txt}Total (uncentered) SS   = {res} 187707.9165{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 196184.0584{txt}{col 55}Root MSE      = {res}   10.24

{txt}{hline 20}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 21}{c |}{col 33}    Robust
{col 1}           anti_env{col 21}{c |}      Coef.{col 33}   Std. Err.{col 45}      t{col 53}   P>|t|{col 61}     [95% Con{col 74}f. Interval]
{hline 20}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_lncount_turbine {c |}{col 21}{res}{space 2} -3.97901{col 33}{space 2} 2.067055{col 44}{space 1}   -1.92{col 53}{space 3}0.055{col 61}{space 4} -8.04758{col 74}{space 3} .0895597
{txt}{hline 20}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  25.919
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 105.636
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  21.059
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_lncount_turbine
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 20}{c TT}{hline 49}{c TRC}
        Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 20}{c +}{hline 49}{c RT}
    stateyear_fixed {c |}          249             249              0     {c |} 
     district_fixed {c |}            0             287            287 *   {c |} 
         legislator {c |}            0             453            453 *   {c |} 
{hline 20}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}(results {stata estimates replay reghdfe_first1:reghdfe_first1} are active now)
(results {stata estimates replay reghdfe_ols:reghdfe_ols} are active now)
(results {stata estimates replay reghdfe_reduced:reghdfe_reduced} are active now)

{com}. 
. *--------------------- Export LaTeX regression tables -----------------------*
. cd "$rootDir/$resultDir/Tables"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Results/Tables
{txt}
{com}.         
. * OLS
. esttab pro_lncapacity_ols pro_lncount_ols anti_lncapacity_ols anti_lncount_ols using TableA20.tex, booktabs replace ///
>                 refcat(cum_lncapacity_turbine "\emph{c -(}Panel A: OLS{c )-}", nolabel) ///
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 0.01) ///
>                 varlabels(cum_lncapacity_turbine "log(Cumulative capacity+1)" cum_lncount_turbine "log(Cumulative count+1)") varwidth(27) modelwidth(13) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", pattern(1 0 1 0) prefix(\multicolumn{c -(}@span{c )-}{c -(}c{c )-}{c -(}) suffix({c )-}) span erepeat(\cmidrule(lr){c -(}@span{c )-})) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"TableA20.tex"'})

{com}.                 
. * IV
. esttab pro_lncapacity_iv pro_lncount_iv anti_lncapacity_iv anti_lncount_iv using TableA20.tex, booktabs append ///
>                 refcat(cum_lncapacity_turbine "\emph{c -(}Panel B: IV{c )-}", nolabel) ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(none) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts" "\(R^{c -(}2{c )-}\)") fmt(0 0 2)) ///
>                 varlabels(cum_lncapacity_turbine "log(Cumulative capacity+1)" cum_lncount_turbine "log(Cumulative count+1)") varwidth(27) modelwidth(13) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"TableA20.tex"'})

{com}. 
. 
. *******************************************************************************
. /*                                                       TABLE A15                                                                       */
. *******************************************************************************
. cd "$rootDir/$dataDir/Final"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Data/Final
{txt}
{com}. use ACS_panel_balanceTest_recodeVar.dta, clear 
{txt}
{com}. 
. ** Create instrument and fixed effects
. gen t = year - 2005
{txt}
{com}. gen inter = t * mean_wp
{txt}
{com}. 
. egen stateyear_fixed = group(state year)
{txt}
{com}. egen district_fixed = group(state district)
{txt}
{com}. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)
{txt}
{com}. gen cum_lncount_turbine = log(cum_count_turbine +1 )
{txt}
{com}. 
. *gen pop_density = pop/dist_area
. 
. ** Include balance variable as controls
. reghdfe pro_env pop white home_median (cum_capacity_turbine=inter), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2007
{txt}{col 55}F(  4,   286) = {res}    1.18
{txt}{col 55}Prob > F      = {res}  0.3194
{txt}Total (centered) SS     = {res} 416180.8007{txt}{col 55}Centered R2   = {res}  0.8719
{txt}Total (uncentered) SS   = {res} 416180.8007{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 413883.9742{txt}{col 55}Root MSE      = {res}   16.39

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0242328{col 34}{space 2} .0129789{col 45}{space 1}    1.87{col 54}{space 3}0.063{col 62}{space 4}-.0013135{col 75}{space 3} .0497792
{txt}{space 17}pop {c |}{col 22}{res}{space 2}-.0131358{col 34}{space 2} .0305535{col 45}{space 1}   -0.43{col 54}{space 3}0.668{col 62}{space 4} -.073274{col 75}{space 3} .0470024
{txt}{space 15}white {c |}{col 22}{res}{space 2}-14.96261{col 34}{space 2} 18.99886{col 45}{space 1}   -0.79{col 54}{space 3}0.432{col 62}{space 4}-52.35794{col 75}{space 3} 22.43273
{txt}{space 9}home_median {c |}{col 22}{res}{space 2}-.0001699{col 34}{space 2} .0164545{col 45}{space 1}   -0.01{col 54}{space 3}0.992{col 62}{space 4}-.0325571{col 75}{space 3} .0322174
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.083
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 218.027
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  15.882
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Included instruments:{col 23}pop white home_median
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          175             175              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}
{com}. estimates store pro_capacityB_iv
{txt}
{com}. 
. reghdfe pro_env pop white home_median (cum_count_turbine=inter), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2007
{txt}{col 55}F(  4,   286) = {res}    1.23
{txt}{col 55}Prob > F      = {res}  0.2999
{txt}Total (centered) SS     = {res} 416180.8007{txt}{col 55}Centered R2   = {res}  0.8722
{txt}Total (uncentered) SS   = {res} 416180.8007{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 412996.7271{txt}{col 55}Root MSE      = {res}   16.37

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0425848{col 31}{space 2}   .02222{col 42}{space 1}    1.92{col 51}{space 3}0.056{col 59}{space 4}-.0011506{col 72}{space 3} .0863202
{txt}{space 14}pop {c |}{col 19}{res}{space 2}-.0131278{col 31}{space 2} .0304664{col 42}{space 1}   -0.43{col 51}{space 3}0.667{col 59}{space 4}-.0730945{col 72}{space 3} .0468389
{txt}{space 12}white {c |}{col 19}{res}{space 2}-14.06859{col 31}{space 2} 19.01353{col 42}{space 1}   -0.74{col 51}{space 3}0.460{col 59}{space 4}-51.49279{col 72}{space 3} 23.35562
{txt}{space 6}home_median {c |}{col 19}{res}{space 2}-.0001787{col 31}{space 2} .0163843{col 42}{space 1}   -0.01{col 51}{space 3}0.991{col 59}{space 4}-.0324279{col 72}{space 3} .0320705
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  12.297
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0005
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 224.158
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  14.835
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Included instruments:{col 23}pop white home_median
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          175             175              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}
{com}. estimates store pro_countB_iv
{txt}
{com}. 
. reghdfe anti_env pop white home_median (cum_capacity_turbine=inter), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2007
{txt}{col 55}F(  4,   286) = {res}    1.01
{txt}{col 55}Prob > F      = {res}  0.4012
{txt}Total (centered) SS     = {res} 392527.0248{txt}{col 55}Centered R2   = {res}  0.8754
{txt}Total (uncentered) SS   = {res} 392527.0248{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 392136.0552{txt}{col 55}Root MSE      = {res}   15.95

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2}-.0234232{col 34}{space 2} .0130339{col 45}{space 1}   -1.80{col 54}{space 3}0.073{col 62}{space 4}-.0490777{col 75}{space 3} .0022313
{txt}{space 17}pop {c |}{col 22}{res}{space 2} .0234113{col 34}{space 2} .0264086{col 45}{space 1}    0.89{col 54}{space 3}0.376{col 62}{space 4}-.0285686{col 75}{space 3} .0753912
{txt}{space 15}white {c |}{col 22}{res}{space 2} 4.569146{col 34}{space 2} 16.52896{col 45}{space 1}    0.28{col 54}{space 3}0.782{col 62}{space 4} -27.9647{col 75}{space 3} 37.10299
{txt}{space 9}home_median {c |}{col 22}{res}{space 2}-.0166424{col 34}{space 2} .0157851{col 45}{space 1}   -1.05{col 54}{space 3}0.293{col 62}{space 4}-.0477121{col 75}{space 3} .0144272
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  13.083
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0003
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 218.027
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  15.882
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Included instruments:{col 23}pop white home_median
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          175             175              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}
{com}. estimates store anti_capacityB_iv
{txt}
{com}. 
. reghdfe anti_env pop white home_median (cum_count_turbine=inter), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2007
{txt}{col 55}F(  4,   286) = {res}    1.03
{txt}{col 55}Prob > F      = {res}  0.3934
{txt}Total (centered) SS     = {res} 392527.0248{txt}{col 55}Centered R2   = {res}  0.8756
{txt}Total (uncentered) SS   = {res} 392527.0248{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 391638.3786{txt}{col 55}Root MSE      = {res}   15.94

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0411621{col 31}{space 2} .0226153{col 42}{space 1}   -1.82{col 51}{space 3}0.070{col 59}{space 4}-.0856757{col 72}{space 3} .0033515
{txt}{space 14}pop {c |}{col 19}{res}{space 2} .0234036{col 31}{space 2} .0263865{col 42}{space 1}    0.89{col 51}{space 3}0.376{col 59}{space 4}-.0285328{col 72}{space 3} .0753399
{txt}{space 12}white {c |}{col 19}{res}{space 2} 3.704993{col 31}{space 2}  16.5341{col 42}{space 1}    0.22{col 51}{space 3}0.823{col 59}{space 4}-28.83896{col 72}{space 3} 36.24895
{txt}{space 6}home_median {c |}{col 19}{res}{space 2}-.0166339{col 31}{space 2} .0157388{col 42}{space 1}   -1.06{col 51}{space 3}0.291{col 59}{space 4}-.0476123{col 72}{space 3} .0143446
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  12.297
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0005
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 224.158
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  14.835
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Included instruments:{col 23}pop white home_median
Excluded instruments:{col 23}inter
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          175             175              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}
{com}. estimates store anti_countB_iv
{txt}
{com}. 
. 
. *--------------------- Export LaTeX regression tables -----------------------*
. cd "$rootDir/$resultDir/Tables"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Results/Tables
{txt}
{com}. 
. ** IV estimates only
. esttab pro_capacityB_iv pro_countB_iv anti_capacityB_iv anti_countB_iv using TableA15.tex, booktabs replace ///
>                 refcat(cum_capacity_turbine "\emph{c -(}Panel: IV{c )-}", nolabel) ///
>                 b(%9.3f) se noconstant nonotes legend star(* 0.10 ** 0.05 *** 0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" pop "Total population (thousand)" white "White (\%)" home_median "Median gross rent (\textdollar)" cum_count_turbine "Cumulative count", ///
>                 elist(cum_capacity_turbine \addlinespace  cum_count_turbine \addlinespace  pop \addlinespace  white \addlinespace)) ///
>                 varwidth(27) modelwidth(13) order(cum_capacity_turbine cum_count_turbine pop white home_median) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 stats(N N_clust r2, labels("Observations" "Districts" "\(R^{c -(}2{c )-}\)") fmt(0 0 2)) ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", pattern(1 0 1 0) prefix(\multicolumn{c -(}@span{c )-}{c -(}c{c )-}{c -(}) suffix({c )-}) span erepeat(\cmidrule(lr){c -(}@span{c )-})) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"TableA15.tex"'})

{com}. 
. *******************************************************************************
. /*                                                              Table A17                                                                */
. *******************************************************************************
. cd "$rootDir/$dataDir/Final"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Data/Final
{txt}
{com}. use votes_wind_panel.dta, clear
{txt}
{com}. 
. ** Create instrument and fixed effects
. gen t = year - 2003
{txt}
{com}. gen inter_median = t * median_wp
{txt}
{com}. gen inter_max = t * max_wp
{txt}
{com}. 
. egen stateyear_fixed = group(state year)
{txt}
{com}. egen district_fixed = group(state district)
{txt}
{com}. 
. ** Compare median and max zonal wind potential as IV
. foreach var in median max {c -(}
{txt}  2{com}. reghdfe pro_env (cum_capacity_turbine=inter_`var'), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{txt}  3{com}. estimates store pro_capacity_`var'_iv
{txt}  4{com}. 
. reghdfe pro_env (cum_count_turbine=inter_`var'), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{txt}  5{com}. estimates store pro_count_`var'_iv
{txt}  6{com}. 
. reghdfe anti_env (cum_capacity_turbine=inter_`var'), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{txt}  7{com}. estimates store anti_capacity_`var'_iv
{txt}  8{com}. 
. reghdfe anti_env (cum_count_turbine=inter_`var'), absorb(stateyear_fixed district_fixed) vce(cluster district_fixed) old
{txt}  9{com}. estimates store anti_count_`var'_iv
{txt} 10{com}. {c )-}
{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    3.47
{txt}{col 55}Prob > F      = {res}  0.0635
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8633
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 644042.7458{txt}{col 55}Root MSE      = {res}   16.63

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0268002{col 34}{space 2} .0143856{col 45}{space 1}    1.86{col 54}{space 3}0.063{col 62}{space 4}-.0015148{col 75}{space 3} .0551153
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  11.311
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0008
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 202.586
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  11.876
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter_median
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    3.54
{txt}{col 55}Prob > F      = {res}  0.0607
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8639
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 641492.9036{txt}{col 55}Root MSE      = {res}   16.59

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0469357{col 31}{space 2} .0249288{col 42}{space 1}    1.88{col 51}{space 3}0.061{col 59}{space 4}-.0021316{col 72}{space 3} .0960029
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  11.213
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0008
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 214.665
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  11.798
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter_median
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    6.07
{txt}{col 55}Prob > F      = {res}  0.0143
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8629
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 638381.7318{txt}{col 55}Root MSE      = {res}   16.55

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} -.041101{col 34}{space 2} .0166809{col 45}{space 1}   -2.46{col 54}{space 3}0.014{col 62}{space 4} -.073934{col 75}{space 3} -.008268
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  11.311
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0008
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 202.586
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  11.876
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter_median
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    6.16
{txt}{col 55}Prob > F      = {res}  0.0137
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8639
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 634148.7847{txt}{col 55}Root MSE      = {res}    16.5

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0719809{col 31}{space 2} .0290105{col 42}{space 1}   -2.48{col 51}{space 3}0.014{col 59}{space 4}-.1290822{col 72}{space 3}-.0148796
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  11.213
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0008
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 214.665
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  11.798
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter_median
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    2.18
{txt}{col 55}Prob > F      = {res}  0.1407
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8632
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 644879.1192{txt}{col 55}Root MSE      = {res}   16.64

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}             pro_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} .0275134{col 34}{space 2} .0186246{col 45}{space 1}    1.48{col 54}{space 3}0.141{col 62}{space 4}-.0091453{col 75}{space 3}  .064172
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  17.127
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 136.216
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  17.405
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter_max
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    2.22
{txt}{col 55}Prob > F      = {res}  0.1372
{txt}Total (centered) SS     = {res} 640958.6166{txt}{col 55}Centered R2   = {res}  0.8637
{txt}Total (uncentered) SS   = {res} 640958.6166{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 642501.4291{txt}{col 55}Root MSE      = {res}   16.61

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}          pro_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2} .0486471{col 31}{space 2} .0326415{col 42}{space 1}    1.49{col 51}{space 3}0.137{col 59}{space 4} -.015601{col 72}{space 3} .1128951
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  17.706
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 141.260
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  18.102
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter_max
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    1.97
{txt}{col 55}Prob > F      = {res}  0.1615
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8684
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 612794.3513{txt}{col 55}Root MSE      = {res}   16.22

{txt}{hline 21}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 22}{c |}{col 34}    Robust
{col 1}            anti_env{col 22}{c |}      Coef.{col 34}   Std. Err.{col 46}      t{col 54}   P>|t|{col 62}     [95% Con{col 75}f. Interval]
{hline 21}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_capacity_turbine {c |}{col 22}{res}{space 2} -.027325{col 34}{space 2} .0194652{col 45}{space 1}   -1.40{col 54}{space 3}0.161{col 62}{space 4}-.0656382{col 75}{space 3} .0109881
{txt}{hline 21}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  17.127
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 136.216
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  17.405
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_capacity_turbine
Excluded instruments:{col 23}inter_max
{hline 78}

Absorbed degrees of freedom:
{hline 21}{c TT}{hline 49}{c TRC}
         Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 21}{c +}{hline 49}{c RT}
     stateyear_fixed {c |}          250             250              0     {c |} 
      district_fixed {c |}            0             287            287 *   {c |} 
{hline 21}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{err}(running historical version of reghdfe)
{res}{txt}(converged in 5 iterations)
{res}
{txt}HDFE IV (2SLS) estimation
{hline 25}

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) = {col 33}{res}   287{txt}{col 55}Number of obs = {res}    2868
{txt}{col 55}F(  1,   286) = {res}    2.00
{txt}{col 55}Prob > F      = {res}  0.1589
{txt}Total (centered) SS     = {res} 605217.3263{txt}{col 55}Centered R2   = {res}  0.8688
{txt}Total (uncentered) SS   = {res} 605217.3263{txt}{col 55}Uncentered R2 = {res}       .
{txt}Residual SS             = {res} 611052.5094{txt}{col 55}Root MSE      = {res}   16.19

{txt}{hline 18}{c TT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{col 19}{c |}{col 31}    Robust
{col 1}         anti_env{col 19}{c |}      Coef.{col 31}   Std. Err.{col 43}      t{col 51}   P>|t|{col 59}     [95% Con{col 72}f. Interval]
{hline 18}{c +}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
cum_count_turbine {c |}{col 19}{res}{space 2}-.0483141{col 31}{space 2}  .034204{col 42}{space 1}   -1.41{col 51}{space 3}0.159{col 59}{space 4}-.1156375{col 72}{space 3} .0190093
{txt}{hline 18}{c BT}{hline 11}{hline 11}{hline 9}{hline 8}{hline 13}{hline 12}
{help ivreg2##idtest:Underidentification test} (Kleibergen-Paap rk LM statistic):{res}{col 71}  17.706
{txt}{col 52}Chi-sq({res}1{txt}) P-val =  {res}{col 73}0.0000
{txt}{hline 78}
{help ivreg2##widtest:Weak identification test} (Cragg-Donald Wald F statistic):{res}{col 71} 141.260
{txt}                         (Kleibergen-Paap rk Wald F statistic):{res}{col 71}  18.102
{txt}Stock-Yogo weak ID test critical values:{res}{txt}{col 42}10% maximal IV size{res}{col 73} 16.38
{txt}{col 42}15% maximal IV size{res}{col 73}  8.96
{txt}{col 42}20% maximal IV size{res}{col 73}  6.66
{txt}{col 42}25% maximal IV size{res}{col 73}  5.53
{txt}Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
{hline 78}
{help ivreg2##overidtests:Hansen J statistic} (overidentification test of all instruments):{res}{col 71}   0.000
{txt}{col 50}(equation exactly identified)
{hline 78}
Instrumented:{col 23}cum_count_turbine
Excluded instruments:{col 23}inter_max
{hline 78}

Absorbed degrees of freedom:
{hline 18}{c TT}{hline 49}{c TRC}
      Absorbed FE {c |}  Num. Coefs.  =   Categories  -   Redundant     {c |} 
{hline 18}{c +}{hline 49}{c RT}
  stateyear_fixed {c |}          250             250              0     {c |} 
   district_fixed {c |}            0             287            287 *   {c |} 
{hline 18}{c BT}{hline 49}{c BRC}
* = fixed effect nested within cluster; treated as redundant for DoF computation
{res}{txt}
{com}. 
. 
. *--------------------- Export LaTeX regression tables -----------------------*
. cd "$rootDir/$resultDir/Tables"
{res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Results/Tables
{txt}
{com}. 
. ** Median
. esttab pro_capacity_median_iv pro_count_median_iv anti_capacity_median_iv anti_count_median_iv using TableA17.tex, booktabs replace ///
>                 refcat(cum_capacity_turbine "\emph{c -(}IV: Median wind potential * time{c )-}", nolabel) ///
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum_count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", pattern(1 0 1 0) prefix(\multicolumn{c -(}@span{c )-}{c -(}c{c )-}{c -(}) suffix({c )-}) span erepeat(\cmidrule(lr){c -(}@span{c )-})) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"TableA17.tex"'})

{com}. 
. ** Max
. esttab pro_capacity_max_iv pro_count_max_iv anti_capacity_max_iv anti_count_max_iv using TableA17.tex, booktabs append ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(none) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts" "\(R^{c -(}2{c )-}\)") fmt(0 0 2)) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum_count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 refcat(cum_capacity_turbine "\emph{c -(}IV: Max wind potential * time{c )-}", nolabel) ///
>                 width(\hsize)
{res}{txt}(output written to {browse  `"TableA17.tex"'})

{com}. 
. 
. ** Close log file
. log close
      {txt}name:  {res}<unnamed>
       {txt}log:  {res}/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang)/JOP/UZ_JOP2021_Replication/Analysis/logSTATA/004_analysis_environment.smcl
  {txt}log type:  {res}smcl
 {txt}closed on:  {res} 6 Nov 2021, 19:50:19
{txt}{.-}
{smcl}
{txt}{sf}{ul off}